Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
453
FNUS55 KRIW 171831
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
1231 PM MDT Sun Aug 17 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Showers and thunderstorms will develop once again shortly after 12PM
this afternoon lingering through the evening. Frequent lightning and
widespread strong gusty outflow winds of 30 to 45 mph will be
possible nearby any developing showers or storms. Min RH has
improved slightly as values are forecast to range around 30 percent
across lower elevations with higher elevations seeing percentages
above 35 percent. Showers and storms should begin to dissipate
shortly after sunset with an isolated shower possibly lingering into
the early morning hours on Monday. Hot and dry conditions are
forecast to build across the region for much of the upcoming week.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Showers and thunderstorms will develop once again shortly after 12PM
this afternoon lingering through the evening. Frequent lightning and
widespread strong gusty outflow winds of 30 to 45 mph will be
possible nearby any developing showers or storms. Min RH has
improved slightly as values are forecast to range around 20 percent
across lower elevations with higher elevations seeing percentages
near 30 percent. Showers and storms should begin to dissipate
shortly after sunset with an isolated shower possibly lingering into
the early morning hours on Monday. Hot and dry conditions are
forecast to build across the region for much of the upcoming week.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Showers and thunderstorms will develop once again shortly after 12PM
this afternoon lingering through the evening. Frequent lightning and
widespread strong gusty outflow winds of 30 to 45 mph will be
possible nearby any developing showers or storms. Min RH has
improved slightly as values are forecast to range around 20 percent
across lower elevations with higher elevations seeing percentages
near 30 percent. Showers and storms should begin to dissipate
shortly after sunset with an isolated shower possibly lingering into
the early morning hours on Monday. Hot and dry conditions are
forecast to build across the region for much of the upcoming week.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-182045-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....81-86.
24 hr trend......3 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......2 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......9400-11400 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....57-62.
24 hr trend......Unchanged.
Max humidity........62-68 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....South around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 2400, then
southwest.
Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....85-90.
24 hr trend......5 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 10600-12600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....55-60.
24 hr trend......2 degrees cooler.
Max humidity........47-53 percent.
24 hr trend......14 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southeast.
Mixing Height.......5400-7400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....90-95.
24 hr trend......4 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 60. Highs
in the mid 90s. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s. North
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 80s. Northeast winds
around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs around 80.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s.
$$
WYZ283-182045-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms through the day. Some
thunderstorms may produce gusty winds. Chance
of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....77-82.
24 hr trend......3 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......7800-9800 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........55-61 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......5 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....54-59.
24 hr trend......Unchanged.
Max humidity........36-42 percent.
24 hr trend......20 percent drier.
Humidity recovery...Poor.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100. Winds
southwest around 10 mph after 2400. Gusts up to
15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......5400-7400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....87-92.
24 hr trend......4 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200. Winds
south around 10 mph after 1500. Gusts up to 15
mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8000-10000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the upper 50s. South winds around
10 mph.
.WEDNESDAY...Mostly clear. Lows around 60. Highs in the mid 90s.
West winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 80s. North
winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Northeast winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 80s.
$$
WYZ285-182045-
South Bighorn Mountains-
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......1 degree cooler.
Min humidity........22-28 percent.
24 hr trend......Unchanged.
20-foot winds.......South winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......7400-9400 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms early
in the evening. Slight chance of showers in the
evening. Some thunderstorms may produce gusty
winds early in the evening. Chance of
precipitation 30 percent.
Chance of thunder...20 percent.
Min temperature.....55-60.
24 hr trend......Unchanged.
Max humidity........56-62 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......3 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......6 percent drier.
20-foot winds.......West winds around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......1 degree warmer.
Max humidity........39-45 percent.
24 hr trend......18 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
east around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......5 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......6 percent drier.
20-foot winds.......South winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the upper 80s. West winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. North winds
around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Northeast winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ281-182045-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....78-83.
24 hr trend......2 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......1 percent drier.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......7400-9400 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Some
thunderstorms may produce gusty winds in the
evening. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....59-64.
24 hr trend......2 degrees warmer.
Max humidity........64-70 percent.
24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
northwest.
Mixing Height.......2000-4000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......2 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....59-64.
24 hr trend......Unchanged.
Max humidity........51-57 percent.
24 hr trend......14 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then south.
Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....88-93.
24 hr trend......6 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 60s.
Highs in the upper 90s. Southwest winds around 10 mph.
.THURSDAY...Not as warm. Mostly clear. Slight chance of showers
and thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
North winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the upper 70s. Northeast winds
around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 50s. Highs 77 to 82.
$$
WYZ282-182045-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms through the day. Some
thunderstorms may produce gusty winds. Chance
of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......1 degree cooler.
Min humidity........19-25 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......9200-11200 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....54-59.
24 hr trend......1 degree warmer.
Max humidity........61-67 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......2 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......1 degree cooler.
Max humidity........42-48 percent.
24 hr trend......18 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....86-91.
24 hr trend......6 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the upper 90s. West winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 54 to 59. Highs 84 to 89. North
winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
.SUNDAY...Mostly sunny. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 80s.
$$
WYZ275-182045-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....76-81.
24 hr trend......3 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......2 percent wetter.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......8000-10000 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
early in the evening. Some thunderstorms may
produce gusty winds early in the evening.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....53-58.
24 hr trend......1 degree warmer.
Max humidity........61-67 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then west.
Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......2 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....58-63.
24 hr trend......Unchanged.
Max humidity........40-46 percent.
24 hr trend......20 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......7 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 60s.
Highs in the mid 90s. Southwest winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 54 to 59. Highs 83 to 88. North
winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 50s. Highs 81 to 86.
$$
WYZ276-182045-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....76-81.
24 hr trend......6 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......5000-7000 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms early in the
evening. Slight chance of showers in the
evening. Some thunderstorms may produce gusty
winds early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....53-58.
24 hr trend......Unchanged.
Max humidity........59-65 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph until 0300, then southwest around 10
mph with gusts to around 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Some thunderstorms may produce
gusty winds in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....78-83.
24 hr trend......3 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....57-62.
24 hr trend......2 degrees warmer.
Max humidity........37-43 percent.
24 hr trend......21 percent drier.
Humidity recovery...Poor.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....86-91.
24 hr trend......7 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......9 percent drier.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 60s. Highs around
90. Southwest winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 51 to 56. Highs 77 to 82. North
winds around 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s.
$$
WYZ287-182045-
Owl Creek Mountains-
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....75-80.
24 hr trend......2 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......1 degree cooler.
Max humidity........52-58 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds in the
afternoon. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....78-83.
24 hr trend......5 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......5 percent drier.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....55-60.
24 hr trend......1 degree warmer.
Max humidity........33-39 percent.
24 hr trend......20 percent drier.
Humidity recovery...Poor.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......5 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......7 percent drier.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 60s. South winds around
10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the
upper 80s. West winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
North winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 70s. North winds around
10 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the mid 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the upper 70s.
$$
WYZ286-182045-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
evening. Chance of thunderstorms through the
day. Chance of showers early in the evening.
Some thunderstorms may produce gusty winds.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......4 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.35 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......4400-6400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms early
in the evening. Slight chance of showers early
in the evening. Some thunderstorms may produce
gusty winds early in the evening. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........66-72 percent.
24 hr trend......4 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph until 0300, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Some thunderstorms may produce
gusty winds in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....72-77.
24 hr trend......4 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......3 degrees warmer.
Max humidity........41-47 percent.
24 hr trend......25 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......6 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
West winds around 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 45 to 50. Highs 70 to 75.
Northwest winds around 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs around 70.
$$
WYZ140-182045-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 20 mph.
Mixing Height.......5800-7800 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms in the
evening. Slight chance of showers late in the
evening. Some thunderstorms may produce gusty
winds in the evening. Chance of precipitation
50 percent.
Chance of thunder...20 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........77-83 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......4 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......2 degrees warmer.
Max humidity........53-59 percent.
24 hr trend......27 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......4600-6600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......6 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. South winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Winds
generally less than 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ415-182045-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
evening. Chance of thunderstorms through the
day. Chance of showers early in the evening.
Some thunderstorms may produce gusty winds.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......8 percent wetter.
20-foot winds.......South winds around 10 mph with higher gusts.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.40 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......4800-6800 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms early
in the evening. Slight chance of showers early
in the evening. Some thunderstorms may produce
gusty winds early in the evening. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....44-49.
24 hr trend......1 degree warmer.
Max humidity........71-77 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......6 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest.
Mixing Height.......2600-4600 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.MONDAY NIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........49-55 percent.
24 hr trend......27 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....South around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then
southeast.
Mixing Height.......4600-6600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....78-83.
24 hr trend......5 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Winds
generally less than 10 mph.
.THURSDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs in the
upper 70s. Winds generally less than 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
upper 70s.
.SUNDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the mid 70s.
$$
WYZ416-182045-
West Wind River Mountains/East Zone Bridger Teton NF-
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Showers likely early in the
evening. Chance of thunderstorms through the
day. Chance of showers early in the evening.
Some thunderstorms may produce gusty winds.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
24 hr trend......5 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.20 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......5200-7200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
early in the evening. Some thunderstorms may
produce gusty winds early in the evening.
Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........67-73 percent.
24 hr trend......13 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then southeast.
Mixing Height.......1600-3600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......6 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......4 degrees warmer.
Max humidity........38-44 percent.
24 hr trend......29 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast around 10 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 2400, then east.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......5 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 50. Highs
in the mid 70s. West winds around 10 mph.
.THURSDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
Northwest winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the upper 60s.
$$
WYZ288-182045-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
24 hr trend......3 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......5800-7800 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......Unchanged.
Max humidity........57-63 percent.
24 hr trend......5 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph until 0300, then west around 10 mph
with gusts to around 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......5 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......12 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....50-55.
24 hr trend......3 degrees warmer.
Max humidity........32-38 percent.
24 hr trend......24 percent drier.
Humidity recovery...Poor.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......4 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 10 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. West
winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. West winds
around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
North winds around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows around 50. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 70s.
$$
WYZ414-182045-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....69-74.
24 hr trend......4 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......7 percent wetter.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......6200-8200 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers early in the
evening. Slight chance of thunderstorms early
in the evening. Slight chance of showers early
in the evening. Some thunderstorms may produce
gusty winds early in the evening. Chance of
precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....43-48.
24 hr trend......Unchanged.
Max humidity........69-75 percent.
24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......5 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......2 degrees warmer.
Max humidity........45-51 percent.
24 hr trend......26 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 2400, then south.
Mixing Height.......5000-7000 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......5 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds
generally less than 10 mph.
.WEDNESDAY THROUGH FRIDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows 49 to 54. Highs around 80. Winds
generally less than 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
upper 70s.
.SUNDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the mid 70s.
$$
WYZ277>279-182045-
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Evanston, Fort Bridger, Kemmerer,
Big Piney, Farson, Pinedale, Green River, Rock Springs,
and Wamsutter
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Some thunderstorms may produce
gusty winds. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....71-76.
24 hr trend......2 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......7800-9800 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........63-69 percent.
24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then east.
Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......5 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......1 degree cooler.
Max humidity........39-45 percent.
24 hr trend......25 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then north.
Mixing Height.......5400-7400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......5 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the
upper 80s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
lower 80s.
.SUNDAY...Partly cloudy. Slight chance of showers in the morning,
then chance of showers and thunderstorms in the afternoon. Highs
in the upper 70s.
$$
WYZ289-182045-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms. Some thunderstorms may produce
gusty winds. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....75-80.
24 hr trend......2 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......4 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......8400-10400 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....54-59.
24 hr trend......1 degree cooler.
Max humidity........54-60 percent.
24 hr trend......1 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......4 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....54-59.
24 hr trend......Unchanged.
Max humidity........36-42 percent.
24 hr trend......22 percent drier.
Humidity recovery...Poor.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then east.
Mixing Height.......5400-7400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......4 degrees warmer.
Min humidity........7-13 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph
until 1200, then 20 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 10600-12600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the mid 50s. Winds generally less
than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs around
90. Southwest winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. North
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Northeast winds around 10 mph.
.SATURDAY THROUGH SUNDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the lower 50s. Highs around 80.
$$
WYZ300-182045-
Casper Mountain-
1231 PM MDT Sun Aug 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the evening, then slight
chance of showers and thunderstorms early in
the evening. Some thunderstorms may produce
gusty winds. Chance of precipitation 30
percent.
Chance of thunder...20 percent.
Max temperature.....74-79.
24 hr trend......2 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......8200-10200 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds early in
the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....56-61.
24 hr trend......1 degree warmer.
Max humidity........54-60 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
south around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 2400, then south.
Mixing Height.......2800-4800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......5 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......10 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
west. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 10400-12400
ft agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.MONDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....56-61.
24 hr trend......1 degree warmer.
Max humidity........42-48 percent.
24 hr trend......11 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 10 mph until 2400, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southeast.
Mixing Height.......5000-7000 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......3 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 11600-13600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 80s. South winds around 10 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. North
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the mid 70s. East winds around
10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.SUNDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$