Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
541
FNUS55 KRIW 201015
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
414 AM MDT Sun Apr 20 2025
.DISCUSSION...
***This product is currently automated with no discussion
and will not be refreshed with all forecast updates. It should
be used for planning purposes only. If you need additional fire
weather information, please contact the NWS office in Riverton,
Wyoming. The human written discussion section along with the fire
weather forecast will resume regular operations sometime in
Spring 2025.***
---Thunderstorms imply strong gusty and erratic winds---
WYZ280-202200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of rain showers and slight chance of
snow showers in the morning. Slight chance of
rain showers in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......5 degrees warmer.
Min humidity........55-61 percent.
24 hr trend......22 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1500, then 15 to 20
mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......4 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph until 2300, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 2400, then southwest.
Mixing Height.......3800-4600 ft agl until 1900, then 400-2200 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of rain showers until late
afternoon. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......5 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......20 percent drier.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 30 mph until 1200, then west around
25 mph with gusts to around 40 mph.
Ridge top winds.....Southwest 20 to 25 mph until 1100, then west
around 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 1000. West around
40 mph after 1400.
Mixing Height.......400-2000 ft agl until 1000. 6400-8400 ft agl
after 1200.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 20s. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the mid
50s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers. Lows in the
lower 30s. Highs in the mid 50s. Northeast winds around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the mid
30s. Highs in the mid 50s. Northeast winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ283-202200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers early in the
morning. Slight chance of rain showers in the
late morning and early afternoon. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....50-55.
24 hr trend......6 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West 5 to 10 mph until 1000, then southeast
until 1400, then south until 1600, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1100, then
southwest until 1500, then west.
Mixing Height.......600-2600 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers and
slight chance of rain showers early in the
morning. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......4 degrees warmer.
Max humidity........75-81 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph until 2200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 2200, then southwest.
Mixing Height.......2400-4400 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of snow showers early in the morning.
Slight chance of rain showers early in the
morning. Slight chance of snow showers early in
the morning. Chance of precipitation 50
percent.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......1 degree warmer.
Min humidity........29-35 percent.
24 hr trend......16 percent drier.
20-foot winds.......Breezy. Southwest winds 10 to 15 mph with
higher gusts until 1200, then west 20 to 25 mph
with gusts to around 35 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1200, then west 25
to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100. 30 to 35 mph
after 1500.
Mixing Height.......600-2000 ft agl until 1000. 7200-9200 ft agl
after 1500.
Smoke dispersal.....Poor to fair until 1100, then good until 1200,
then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 20s. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Lows around 30. Highs in the mid 50s.
Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of snow showers. Lows in the lower 30s. Highs in the mid 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers. Lows in the mid
30s. Highs in the mid 50s. Winds generally less than 10 mph.
.FRIDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers in the
afternoon. Highs in the upper 60s.
$$
WYZ285-202200-
South Bighorn Mountains-
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of rain showers in the morning. Chance
of snow showers through the day. Slight chance
of rain showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......2 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
and snow showers early in the morning. Chance
of precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......4 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest 10 to 15 mph and gusty.
Ridge top winds.....Southwest 10 to 15 mph until 0300, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0300, then around
20 mph.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Slight chance of rain showers
and snow showers in the morning. Chance of rain
showers, snow showers and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....44-49.
24 hr trend......3 degrees warmer.
Min humidity........43-49 percent.
24 hr trend......10 percent drier.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 35 mph until 1500, then west around
25 mph with gusts to around 35 mph.
Ridge top winds.....Southwest 20 to 25 mph until 1400, then west
around 30 mph.
Chc of wetting rain.7 percent.
Transport winds.....West 20 to 25 mph until 1300, then around 30
mph.
Mixing Height.......200-2200 ft agl until 1100, then 3800-5800 ft
agl.
Smoke dispersal.....Very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers,
thunderstorms and snow showers in the evening. Lows in the upper
20s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 30. Highs in the upper 40s.
Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. Northeast
winds around 10 mph.
.THURSDAY...Partly cloudy with chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 40s. Northeast
winds around 10 mph.
.FRIDAY...Partly cloudy with chance of showers, slight chance of
thunderstorms and snow showers. Lows around 40. Highs in the
upper 50s.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ281-202200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
early in the morning. Chance of rain showers
early in the morning. Slight chance of rain
showers late in the afternoon. Chance of
showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......5 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......45 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1200, then
upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3000-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......1 degree warmer.
Max humidity........75-81 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 10 mph until 2100, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 2000, then
southwest.
Mixing Height.......1800-3000 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Slight chance of rain showers in
the morning. Chance of rain showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....48-53.
24 hr trend......5 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......15 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts
until 1200, then northwest 15 to 20 mph with
gusts to around 25 mph.
Ridge top winds.....Southwest around 15 mph until 1100, then
northwest 20 to 25 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Southwest 15 to 20 mph until 1200, then west 20
to 25 mph.
Mixing Height.......600-2600 ft agl until 1100, then 4200-6200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows around 30. Northwest winds
around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy with chance of
showers. Lows 33 to 38. Highs 52 to 57. Northeast winds around
10 mph.
.FRIDAY...Warmer. Partly cloudy. Slight chance of showers. Lows
in the lower 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 70.
$$
WYZ282-202200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers in the morning. Chance
of rain showers through the day. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......1 degree warmer.
Min humidity........54-60 percent.
24 hr trend......28 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West around 10 mph until 1000, then east.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 10 mph until 1400, then
southeast.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4000 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
early in the morning. Chance of showers 20
percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......3 degrees warmer.
Max humidity........74-80 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph until 0500, then around 15
mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......2000-3400 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Chance of rain showers
early in the morning, then slight chance of
rain showers. Slight chance of thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....46-51.
24 hr trend......2 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......15 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty until
1200, then northwest with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph until 1100, then
northwest 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Mixing Height.......600-2600 ft agl until 1100, then 5200-7200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 20s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers and slight
chance of snow showers. Lows in the mid 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers. Lows in the
upper 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the lower 40s. Highs in the upper 60s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs around 70.
$$
WYZ275-202200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of rain showers. Chance of showers 50
percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......1 degree cooler.
Min humidity........53-59 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 0800, then west until
1000, then southeast.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....Northwest around 10 mph until 1200, then south.
Mixing Height.......600-2600 ft agl until 1200, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
early in the morning. Chance of showers 20
percent.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......1 degree warmer.
Max humidity........78-84 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
southeast around 10 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph.
Mixing Height.......2200-3600 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Chance of rain showers
through the day. Slight chance of thunderstorms
in the afternoon. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....44-49.
24 hr trend......1 degree cooler.
Min humidity........45-51 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph until 1100, then northwest.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....South 10 to 15 mph until 1100, then west 15 to
20 mph.
Mixing Height.......600-2600 ft agl until 1100, then 3600-5600 ft
agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers,
thunderstorms and snow showers in the evening. Lows in the lower
30s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of snow showers. Lows in the mid 30s. Highs in the lower 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers. Lows in the
upper 30s. Highs in the upper 50s. North winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers. Lows in the lower 40s. Highs 65 to 70.
$$
WYZ276-202200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of rain showers in the morning.
Chance of snow showers through the day. Chance
of rain showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......5 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph.
Ridge top winds.....Northwest around 10 mph until 0900, then east
until 1600, then southeast.
Chc of wetting rain.7 percent.
Transport winds.....Northwest around 10 mph until 1100, then south
until 1500, then southwest.
Mixing Height.......800-2800 ft agl until 1100, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
through the night. Chance of snow showers after
midnight. Chance of precipitation 40 percent.
Chance of thunder...0 percent.
Min temperature.....35-40.
24 hr trend......1 degree warmer.
Max humidity........72-78 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 10
mph.
Ridge top winds.....South 10 to 15 mph until 0300, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......2400-4000 ft agl until 2000, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy. Chance of rain showers and snow
showers through the day. Slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....46-51.
24 hr trend......1 degree cooler.
Min humidity........37-43 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
northwest around 20 mph with gusts to around 30
mph after 1500.
Ridge top winds.....Northwest 10 to 15 mph until 1300. 25 to 30 mph
after 1500.
Chc of wetting rain.7 percent.
Transport winds.....West 10 to 15 mph until 1100. Around 30 mph
after 1500.
Mixing Height.......800-2800 ft agl until 1000. 5000-7000 ft agl
after 1200.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Slight chance of showers,
thunderstorms and snow showers in the evening. Lows in the upper
20s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the lower 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s. Winds generally
less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the lower 50s. North winds around
10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs in the lower 60s.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ287-202200-
Owl Creek Mountains-
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of rain showers and snow showers. Chance
of precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......1 degree warmer.
Min humidity........50-56 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph until 1500, then
upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest around 10 mph until 0900, then
northeast until 1100, then southeast until
1600, then southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 1100, then
southwest.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
and snow showers early in the morning. Chance
of rain showers and snow showers early in the
morning. Chance of precipitation 40 percent.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......2 degrees warmer.
Max humidity........66-72 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-2800 ft agl until 2000, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of rain showers
and snow showers early in the morning, then
slight chance of rain showers and snow showers
early in the morning. Slight chance of rain
showers late in the morning. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......1 degree warmer.
Min humidity........30-36 percent.
24 hr trend......21 percent drier.
20-foot winds.......Breezy. West winds around 10 mph with higher
gusts until 0900, then 20 to 25 mph with gusts
to around 40 mph.
Ridge top winds.....West 15 to 20 mph until 1100, then 25 to 30
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1100. 30 to 35 mph
after 1500.
Mixing Height.......200-2000 ft agl until 1000. 5400-7400 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1100. Very good to excellent
after 1200.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Slight chance of showers and snow
showers in the evening. Lows in the upper 20s. Northwest winds
around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 40s. Winds generally less than 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s. North winds around
10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the lower 50s. Northeast winds
around 10 mph.
.FRIDAY...Partly cloudy. Chance of showers. Lows around 40. Highs
around 60.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ286-202200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers through the day. Chance
of rain showers late in the morning. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......2 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph until 1500, then around 20
mph.
Chc of wetting rain.7 percent.
Transport winds.....West 10 to 15 mph until 1400, then around 20
mph.
Mixing Height.......800-2800 ft agl until 1100, then 3000-5000 ft
agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of rain showers in the
evening. Chance of snow showers through the
night. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......1 degree warmer.
Max humidity........71-77 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph and gusty.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.5 percent until 2400, then 15 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 2000, then 400-1200 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers through the day. Slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....38-43.
24 hr trend......4 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......1 percent drier.
20-foot winds.......Breezy. West winds 15 to 20 mph with gusts to
around 30 mph until 1200, then around 25 mph
with gusts to around 40 mph.
Ridge top winds.....West 15 to 20 mph until 1000, then 25 to 30
mph.
Chc of wetting rain.25 percent.
Transport winds.....West 15 to 20 mph until 0900. 35 to 40 mph
after 1300.
Mixing Height.......1000-3000 ft agl until 1000, then 4000-6000 ft
agl.
Smoke dispersal.....Very good to excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms in the evening. Lows around 20.
West winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the mid 20s. Highs around 40. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Snow showers likely with possible
showers and thunderstorms. Lows in the mid 20s. Highs around 40.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the lower 40s. Southeast
winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers
and snow showers. Lows in the lower 30s. Highs in the lower 50s.
$$
WYZ140-202200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers through the day. Chance
of rain showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......3 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....West 10 to 15 mph until 1500, then around 20
mph.
Mixing Height.......600-2600 ft agl until 1100, then 2600-4600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly cloudy. Chance of rain showers
and slight chance of thunderstorms early in the
evening. Chance of snow showers through the
night. Chance of precipitation 50 percent.
Chance of thunder...10 percent.
Min temperature.....28-33.
24 hr trend......Unchanged.
Max humidity........83-89 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.17 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the morning. Snow showers likely through the
day. Chance of thunderstorms in the afternoon.
Snow accumulation up to 5 inches. Chance of
precipitation 70 percent.
Chance of thunder...30 percent.
Max temperature.....38-43.
24 hr trend......4 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 25 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1400, then west 20
to 25 mph.
Chc of wetting rain.50 percent until 1200, then 40 percent.
Transport winds.....Southwest 15 to 20 mph until 1100, then west 25
to 30 mph.
Mixing Height.......600-2600 ft agl until 1000, then 3000-5000 ft
agl.
Smoke dispersal.....Good to very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms in the evening. Lows around 16.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 20s. Highs around 40. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers and slight
chance of thunderstorms. Lows in the lower 20s. Highs in the
lower 40s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of snow showers and
showers. Lows in the mid 20s. Highs in the upper 40s. Winds
generally less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers and snow showers.
Lows around 30. Highs in the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and snow showers
in the afternoon. Highs in the upper 40s.
$$
WYZ415-202200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of rain showers in the morning.
Chance of snow showers through the day. Chance
of rain showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......2 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....West 10 to 15 mph until 1600, then around 20
mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3000-4600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of snow showers and rain showers in the
evening, then snow showers likely and slight
chance of thunderstorms after midnight. Snow
accumulation up to 4 inches. Chance of
precipitation 70 percent.
Chance of thunder...20 percent.
Min temperature.....26-31.
24 hr trend......1 degree warmer.
Max humidity........77-83 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent until 2400, then 40 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow
showers likely early in the morning, then
chance of snow showers and slight chance of
thunderstorms in the late morning and
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation 70 percent.
Chance of thunder...20 percent.
Max temperature.....35-40.
24 hr trend......4 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 1200, then around 20 mph
with gusts to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1100, then 25 to
30 mph.
Chc of wetting rain.25 percent until 1200, then 10 percent.
Transport winds.....Southwest 15 to 20 mph until 1000, then west 25
to 30 mph.
Mixing Height.......800-2800 ft agl until 1000, then 3600-5600 ft
agl.
Smoke dispersal.....Very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Partly cloudy. Slight chance of
thunderstorms and snow showers in the evening. Lows around 17.
Southwest winds around 10 mph.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
in the lower 20s. Highs in the lower 40s. Southwest winds around
10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers, showers
and slight chance of thunderstorms. Lows in the lower 20s. Highs
in the lower 40s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the upper 20s. Highs in the upper 40s. Winds generally
less than 10 mph.
.FRIDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows in the lower 30s. Highs in
the lower 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and snow showers
in the afternoon. Highs around 50.
$$
WYZ416-202200-
West Wind River Mountains/East Zone Bridger Teton NF-
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the morning,
then slight chance of snow showers in the late
morning and afternoon. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......Unchanged.
Min humidity........50-56 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 0800, then west
until 1500, then around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 10 to 15 mph until 1400, then around 20
mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
evening. Chance of snow showers late in the
evening, then snow showers likely early in the
morning. Snow accumulation of 1 to 4 inches.
Chance of snow 70 percent.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......3 degrees warmer.
Max humidity........82-88 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2400,
then southwest until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2400, then southwest 10
to 15 mph.
Chc of wetting rain.Zero percent until 2400, then 50 percent.
Transport winds.....Southwest 15 to 20 mph until 0200, then south.
Mixing Height.......1600-3600 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow
showers likely in the morning. Slight chance of
thunderstorms through the day. Chance of snow
showers in the afternoon. Snow accumulation of
1 to 3 inches. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....34-39.
24 hr trend......3 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......4 percent drier.
20-foot winds.......Breezy. Southwest winds 10 to 15 mph with gusts
to around 25 mph until 1200, then west 20 to 25
mph with gusts to around 35 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1100, then west 25
to 30 mph.
Chc of wetting rain.45 percent until 1200, then 5 percent.
Transport winds.....Southwest 15 to 20 mph until 1000. West 30 to
35 mph after 1500.
Mixing Height.......600-2600 ft agl until 1000, then 3200-5200 ft
agl.
Smoke dispersal.....Very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Colder. Mostly clear. Lows around 14. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers and slight
chance of thunderstorms. Lows in the lower 20s. Highs in the
lower 40s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of snow showers and
showers. Lows in the mid 20s. Highs in the lower 40s. Winds
generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the upper 40s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and snow showers
in the afternoon. Highs in the upper 40s.
$$
WYZ288-202200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the morning.
Slight chance of snow showers. Chance of snow
50 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......2 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph until 1300, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1200, then 20 to 25
mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the evening. Chance of snow showers
after midnight. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......4 degrees warmer.
Max humidity........72-78 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent until 2400, then 20 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......800-2800 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow
showers likely in the morning. Slight chance of
thunderstorms and snow showers in the
afternoon. Snow accumulation up to 3 inches.
Chance of precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....39-44.
24 hr trend......2 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......5 percent drier.
20-foot winds.......Windy. West winds 15 to 20 mph with gusts to
around 30 mph until 1200, then around 30 mph
with gusts to around 45 mph.
Ridge top winds.....West 15 to 20 mph until 0900. Around 35 mph
after 1300.
Chc of wetting rain.25 percent until 1200, then zero percent.
Transport winds.....West 20 to 25 mph until 1100. 40 to 45 mph
after 1300.
Mixing Height.......600-2600 ft agl until 1000, then 3400-5400 ft
agl.
Smoke dispersal.....Poor to fair until 1100, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the lower 20s. West winds
around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the mid 20s. Highs in the lower 40s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Snow showers likely with possible
showers and thunderstorms. Lows in the upper 20s. Highs in the
mid 40s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of snow showers and
showers. Lows around 30. Highs in the mid 40s. Winds generally
less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers
and snow showers. Lows in the mid 30s. Highs in the lower 50s.
$$
WYZ414-202200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the morning.
Slight chance of snow showers in the late
morning and afternoon. Slight chance of rain
showers late in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......1 degree cooler.
Min humidity........57-63 percent.
24 hr trend......12 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 2800-4600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of rain showers and snow showers
late in the evening. Chance of snow showers and
rain showers late in the evening, then snow
showers and rain showers likely after midnight.
Snow accumulation up to 4 inches. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......2 degrees warmer.
Max humidity........84-90 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty until
2400, then downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 15 to 20 mph until 2300, then 10 to
15 mph until 0500, then west.
Chc of wetting rain.Zero percent until 2400, then 55 percent.
Transport winds.....Southwest 15 to 20 mph until 2300, then 10 to
15 mph.
Mixing Height.......1000-3000 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Snow showers and rain
showers likely in the morning. Slight chance of
thunderstorms through the day. Chance of snow
showers in the afternoon. Snow accumulation up
to 3 inches. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......3 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......2 percent drier.
20-foot winds.......Breezy. West winds around 10 mph and gusty
until 0900, then 20 to 25 mph with gusts to
around 35 mph.
Ridge top winds.....West 15 to 20 mph until 1100, then 25 to 30
mph.
Chc of wetting rain.40 percent until 1200, then zero percent.
Transport winds.....West 15 to 20 mph until 1000. 30 to 35 mph
after 1500.
Mixing Height.......1400-3400 ft agl until 1200, then 3400-5400 ft
agl.
Smoke dispersal.....Very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 20. West winds around
10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the mid
40s. Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers, showers and
slight chance of thunderstorms. Lows in the mid 20s. Highs in the
upper 40s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers, snow showers and
slight chance of thunderstorms. Lows around 30. Highs around 50.
Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the mid 50s.
.SATURDAY...Partly cloudy. Slight chance of showers and snow
showers in the morning, then chance of showers and slight chance
of thunderstorms in the afternoon. Highs in the lower 50s.
$$
WYZ278-202200-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......4 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph until 1200, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1200, then around 20
mph.
Mixing Height.......600-2600 ft agl until 1100, then 4800-6800 ft
agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers and rain
showers after midnight. Chance of precipitation
50 percent.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......3 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty until 2400,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West 15 to 20 mph until 2300, then around 10
mph until 0100, then south until 0500, then
northwest.
Chc of wetting rain.Zero percent until 2400, then 10 percent.
Transport winds.....West 15 to 20 mph until 2300, then southwest
around 10 mph until 0200, then south.
Mixing Height.......3400-5400 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Good until 2000, then poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of snow showers
early in the morning. Slight chance of rain
showers early in the morning. Slight chance of
snow showers late in the morning. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......2 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......6 percent drier.
20-foot winds.......Breezy. Upslope/upvalley 5-9 mph until 0900.
Winds west around 25 mph with gusts to around
40 mph after 1200.
Ridge top winds.....West 10 to 15 mph until 1000. Around 30 mph
after 1200.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....West 10 to 15 mph until 0900. 30 to 35 mph
after 1200.
Mixing Height.......600-2000 ft agl until 1000. 5400-7400 ft agl
after 1200.
Smoke dispersal.....Poor to fair until 1100. Excellent after 1200.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows around 20. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the
lower 50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers, slight chance
of showers and thunderstorms. Lows in the upper 20s. Highs in the
mid 50s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows around 30. Highs in the mid
50s. Winds generally less than 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 30s. Highs in the
lower 60s.
$$
WYZ277-202200-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......5 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 1500, then around 20 mph with gusts
to around 25 mph.
Ridge top winds.....West 15 to 20 mph until 1400, then around 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1300, then around 25
mph.
Mixing Height.......400-1600 ft agl until 1000. 5000-7000 ft agl
after 1200.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers and rain
showers after midnight. Chance of precipitation
50 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......4 degrees warmer.
Max humidity........78-84 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph and gusty until 2400,
then downslope/downvalley 4-7 mph until 0300,
then southwest around 10 mph.
Ridge top winds.....West 15 to 20 mph until 2300, then southwest 10
to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph until 2300, then southwest 10
to 15 mph.
Mixing Height.......4400-6000 ft agl until 1900. 400-800 ft agl
after 2000.
Smoke dispersal.....Good until 2000, then poor.
.MONDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny. Chance of snow showers
and rain showers in the morning. Slight chance
of snow showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......2 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......2 percent drier.
20-foot winds.......Breezy. West winds around 10 mph with higher
gusts until 0900, then 20 to 25 mph with gusts
to around 40 mph.
Ridge top winds.....West 15 to 20 mph until 1000, then 25 to 30
mph.
Chc of wetting rain.10 percent until 1200, then zero percent.
Transport winds.....West 15 to 20 mph until 1000. 30 to 35 mph
after 1500.
Mixing Height.......400-2200 ft agl until 1000. 5000-6600 ft agl
after 1300.
Smoke dispersal.....Poor to fair until 1100, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows in the mid 20s. West winds around
10 mph.
.TUESDAY...Mostly clear. Lows around 30. Highs in the lower 50s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows around 30. Highs in the mid
50s. Northwest winds around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the lower 30s. Highs in
the upper 50s. East winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 30s. Highs in the
lower 60s.
$$
WYZ279-202200-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......7 degrees warmer.
Min humidity........40-46 percent.
24 hr trend......2 percent wetter.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 1500, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....West 15 to 20 mph until 1400, then around 25
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1400, then around 25
mph.
Mixing Height.......400-1800 ft agl until 1000. 6200-8200 ft agl
after 1200.
Smoke dispersal.....Very good to excellent.
.TONIGHT...
Sky/weather.........Mostly clear. Slight chance of rain showers and
snow showers early in the morning. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......4 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 2400, then south with gusts to around
15 mph.
Ridge top winds.....West 20 to 25 mph until 2000, then southwest
around 15 mph until 0200, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph until 2000, then around 15
mph until 0100, then south.
Mixing Height.......6200-7400 ft agl until 1900. 400-1000 ft agl
after 2000.
Smoke dispersal.....Very good until 1900. Poor after 2000.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of rain showers and snow showers in the
morning, then slight chance of rain showers
late in the morning. Chance of precipitation 50
percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......1 degree warmer.
Min humidity........28-34 percent.
24 hr trend......8 percent drier.
20-foot winds.......Breezy. Southwest winds 15 to 20 mph with gusts
to around 30 mph until 1200, then west around
25 mph with gusts to around 40 mph.
Ridge top winds.....Southwest 15 to 20 mph until 1000, then west 25
to 30 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 1100. West 35 to
40 mph after 1500.
Mixing Height.......400-2000 ft agl until 1000. 6400-8000 ft agl
after 1500.
Smoke dispersal.....Poor until 1000. Excellent after 1500.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows in the upper 20s. West winds around
10 mph.
.TUESDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 50s. West winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers. Lows in the
lower 30s. Highs in the upper 50s. Northwest winds around 10 mph.
.THURSDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 30s. Highs in the upper
50s. Northeast winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
.SATURDAY...Partly cloudy. Highs in the mid 60s.
$$
WYZ289-202200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......6 degrees warmer.
Min humidity........46-52 percent.
24 hr trend......9 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....Southwest 10 to 15 mph until 1400, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1300, then around 20
mph.
Mixing Height.......400-2400 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of rain showers
and snow showers early in the morning. Chance
of precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....32-37.
24 hr trend......5 degrees warmer.
Max humidity........73-79 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 0500, then southwest.
Mixing Height.......3200-4200 ft agl until 1900, then 400-2000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of snow showers and rain showers in the
morning. Slight chance of rain showers in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......2 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......16 percent drier.
20-foot winds.......Windy. Southwest winds 15 to 20 mph with gusts
to around 30 mph until 1200, then west around
30 mph with gusts to around 40 mph.
Ridge top winds.....Southwest 15 to 20 mph until 0900. West 30 to
35 mph after 1300.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 15 to 20 mph until 0900. West 35 to
40 mph after 1100.
Mixing Height.......400-1800 ft agl until 1000. 6200-8200 ft agl
after 1500.
Smoke dispersal.....Poor until 1000. Excellent after 1400.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows in the mid 20s. West winds around
10 mph.
.TUESDAY...Mostly clear. Lows around 30. Highs in the lower 50s.
West winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 50s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with chance of showers and slight
chance of snow showers. Lows in the mid 30s. Highs in the lower
50s. Northeast winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.
$$
WYZ300-202200-
Casper Mountain-
414 AM MDT Sun Apr 20 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Slight chance of snow
showers early in the morning. Slight chance of
rain showers early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......7 degrees warmer.
Min humidity........60-66 percent.
24 hr trend......22 percent wetter.
20-foot winds.......West winds 10 to 15 mph. 20 mph after 1200.
Ridge top winds.....West 10 to 15 mph until 1400, then around 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1400, then around 20
mph.
Mixing Height.......400-2400 ft agl until 1200, then 2600-4400 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......7 degrees warmer.
Max humidity........79-85 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
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.....West 15 to 20 mph until 2100. Southwest after
0100.
Mixing Height.......3200-4000 ft agl until 1900, then 200-1200 ft
agl.
Smoke dispersal.....Fair to good until 1900, then poor.
.MONDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy then
becoming mostly sunny. Slight chance of snow
showers early in the morning. Slight chance of
rain showers early in the morning. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......6 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......23 percent drier.
20-foot winds.......Windy. Southwest winds 15 to 20 mph with gusts
to around 35 mph until 1200, then west 25 to 30
mph with gusts to around 45 mph.
Ridge top winds.....Southwest 15 to 20 mph until 0900. West 30 to
35 mph after 1300.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 20 to 25 mph until 0900. West 40 to
45 mph after 1100.
Mixing Height.......200-2200 ft agl until 1000. 6800-7800 ft agl
after 1500.
Smoke dispersal.....Poor to fair until 1000. Excellent after 1500.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows in the mid 20s. West winds
around 10 mph.
.TUESDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 40s. West winds around 10 mph.
.WEDNESDAY...Mostly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the lower 50s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy with showers likely with possible snow
showers and thunderstorms. Lows in the mid 30s. Highs around 50.
Northeast winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 60s.
$$