Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
295
FNUS55 KRIW 190944
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
343 AM MDT Sat Apr 19 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---
WYZ280-192200-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......11 degrees warmer.
Min humidity........37-43 percent.
24 hr trend......26 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1200, then 2400-3800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......11 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......2400-3200 ft agl until 1900, then 400-1200 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......7 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......400-2000 ft agl until 1100, then 3000-5000 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows around 30. Southwest winds
around 10 mph.
.MONDAY...Mostly clear with chance of showers. Lows in the upper
20s. Highs in the lower 50s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the mid
50s. Northwest winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 30s. Highs around 60. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the lower 60s.
$$
WYZ283-192200-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......11 degrees warmer.
Min humidity........36-42 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph
until 0900, then 10 mph after 1200.
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.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......14 degrees warmer.
Max humidity........67-73 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph until 0400, then around
10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph until 0400, then west.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....48-53.
24 hr trend......6 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southwest around 10 mph.
Ridge top winds.....Southwest around 10 mph until 1000. Around 15
mph after 1700.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1000, then southwest
until 1500, then west.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of snow showers and slight
chance of showers after midnight. Lows in the upper 20s. Winds
generally less than 10 mph.
.MONDAY...Mostly clear with chance of snow showers and slight
chance of showers. Lows in the mid 20s. Highs in the lower 50s.
West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 30. Highs in the lower 50s.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the lower 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the lower 60s.
$$
WYZ285-192200-
South Bighorn Mountains-
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......10 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......26 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.....West around 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......14 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......37 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 0300, then
northwest. Gusts up to 15 mph.
Ridge top winds.....West around 15 mph until 0400, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 0500, then northwest.
Mixing Height.......200-1600 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers late in the
morning. Chance of snow 20 percent.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......5 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......14 percent wetter.
20-foot winds.......West 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.....West 10 to 15 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1200, then around 15
mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Southwest
winds around 10 mph.
.MONDAY...Partly cloudy with chance of snow showers, showers and
slight chance of thunderstorms. Lows in the upper 20s. Highs in
the mid 40s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 30s. Highs in the mid 40s. Northwest winds around
10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the lower 30s. Highs in the lower 50s. North
winds around 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the upper 30s. Highs in the lower 50s.
.FRIDAY...Mostly cloudy. Chance of showers and snow showers in
the morning, then chance of showers in the afternoon. Highs in
the mid 50s.
$$
WYZ281-192200-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......13 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......24 percent drier.
20-foot winds.......South winds 10 to 15 mph with higher gusts.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1100, then 4000-6000 ft
agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......9 degrees warmer.
Max humidity........69-75 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph and gusty.
Ridge top winds.....Southwest 15 to 20 mph until 0500, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph until 0400, then west.
Mixing Height.......4000-4800 ft agl until 1900, then 400-2000 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Slight chance of rain
showers early in the morning. Chance of showers
20 percent.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......1 degree warmer.
Min humidity........53-59 percent.
24 hr trend......27 percent wetter.
20-foot winds.......Northwest winds around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph until 1700, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......400-2200 ft agl until 1100, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 30. Highs in the mid 50s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. North winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the upper 50s. Northeast winds around
10 mph.
.THURSDAY...Partly cloudy with chance of showers. Lows in the
upper 30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy with chance of showers. Highs in the
lower 60s.
$$
WYZ282-192200-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......11 degrees warmer.
Min humidity........29-35 percent.
24 hr trend......16 percent drier.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......400-2000 ft agl until 1100, then 2400-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......14 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......16 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph until 2400, then
downslope/downvalley 4-7 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 until 0500, then west.
Mixing Height.......1600-3600 ft agl until 2000, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of rain showers and snow showers
late in the morning. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......3 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest around 10 mph until 1100, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1100, then south.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. Winds
generally less than 10 mph.
.MONDAY...Partly cloudy with chance of showers, slight chance of
thunderstorms and snow showers. Lows in the upper 20s. Highs in
the mid 50s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid
50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the lower 60s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the mid 60s.
$$
WYZ275-192200-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......10 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......6 percent drier.
20-foot winds.......Southeast winds 10 to 15 mph with higher gusts.
Ridge top winds.....Southeast 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......400-2400 ft agl until 1100, then 3200-5200 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of rain showers early in the
morning. Slight chance of snow showers early in
the morning. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......16 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 10 mph with gusts to
around 15 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast 10 to 15 mph until 0300, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 10 to 15 mph until 0300, then
northwest.
Mixing Height.......2400-4200 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers in the morning. Slight
chance of rain showers through the day. Chance
of precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......1 degree warmer.
Min humidity........48-54 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph and gusty.
Ridge top winds.....Northeast 5 to 10 mph until 0900, then
southeast until 1500, then around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North 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.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy with slight chance of showers. Lows
in the lower 30s. Winds generally less than 10 mph.
.MONDAY...Partly cloudy with showers likely with possible snow
showers and thunderstorms. Lows around 30. Highs in the mid 50s.
Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 30s. Highs in the mid 50s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows around 40.
Highs in the lower 60s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the mid 60s.
$$
WYZ276-192200-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......14 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South 10 to 15 mph until 1100, then southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1400, then
northwest.
Mixing Height.......800-2800 ft agl until 1100, then 3800-5800 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of rain showers early in the
morning. Slight chance of snow showers early in
the morning. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......18 degrees warmer.
Max humidity........67-73 percent.
24 hr trend......7 percent drier.
Humidity recovery...Good.
20-foot winds.......Southeast winds around 10 mph until 2100, then
west until 0300, then downslope/downvalley 4-7
mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 15 mph until 2100. Northwest
after 0100.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2000. 10 to 15 mph
after 2300.
Mixing Height.......3200-5200 ft agl until 2000, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2000, then poor.
.SUNDAY...
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......1 degree cooler.
Min humidity........44-50 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph and gusty.
Ridge top winds.....Northwest around 10 mph until 0800, then east
until 1300, then southeast until 1700, then
south.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 1100, then south.
Mixing Height.......600-2400 ft agl until 1000, then 2800-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening, then slight chance of showers and snow showers after
midnight. Lows in the lower 30s. Winds generally less than
10 mph.
.MONDAY...Partly cloudy with showers, snow showers likely and
slight chance of thunderstorms. Lows in the upper 20s. Highs
around 50. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
lower 50s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers and slight
chance of showers. Lows in the lower 30s. Highs in the lower 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the mid 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the upper 50s.
$$
WYZ287-192200-
Owl Creek Mountains-
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......12 degrees warmer.
Min humidity........31-37 percent.
24 hr trend......18 percent drier.
20-foot winds.......South winds around 10 mph and gusty.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......15 degrees warmer.
Max humidity........59-65 percent.
24 hr trend......21 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....South around 15 mph until 2300, then west.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 2300. Northwest after
0400.
Mixing Height.......600-2600 ft agl until 2000, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of rain showers early in the
afternoon. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......3 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph and gusty.
Ridge top winds.....West around 10 mph until 0800, then south.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1000, then south
until 1300, then southwest.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of showers and snow
showers after midnight. Lows in the lower 30s. Southwest winds
around 10 mph.
.MONDAY...Mostly clear with chance of snow showers and showers.
Lows in the upper 20s. Highs in the upper 40s. West winds around
15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 40s. Northwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers and slight
chance of showers. Lows in the lower 30s. Highs in the lower 50s.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
snow showers. Lows in the upper 30s. Highs in the mid 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the upper 50s.
$$
WYZ286-192200-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......11 degrees warmer.
Min humidity........33-39 percent.
24 hr trend......5 percent drier.
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.....West around 15 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers after midnight.
Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......17 degrees warmer.
Max humidity........69-75 percent.
24 hr trend......12 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1200-3200 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers through the day. Chance
of rain showers and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....41-46.
24 hr trend......Unchanged.
Min humidity........46-52 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1500, then 20 mph.
Ridge top winds.....West 10 to 15 mph until 1500, then around 20
mph.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2600-4600 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of snow showers in the evening, then chance of snow
showers after midnight. Lows in the upper 20s. West winds around
10 mph.
.MONDAY...Partly cloudy with snow showers likely and slight
chance of thunderstorms. Lows around 20. Highs in the upper 30s.
West winds around 15 mph.
.TUESDAY...Partly cloudy with slight chance of snow showers. Lows
in the mid 20s. Highs around 40. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers and
showers. Lows in the upper 20s. Highs in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of snow showers and showers.
Lows in the lower 30s. Highs in the upper 40s.
.FRIDAY...Mostly cloudy. Chance of snow showers and showers in
the morning, then showers and snow showers likely in the
afternoon. Highs in the upper 40s.
$$
WYZ140-192200-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......7 degrees warmer.
Min humidity........38-44 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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 10 to 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly 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......19 degrees warmer.
Max humidity........81-87 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 15 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 2400, then 10 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers through the day. Rain
showers likely and slight chance of
thunderstorms in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 70 percent.
Chance of thunder...10 percent.
Max temperature.....42-47.
24 hr trend......Unchanged.
Min humidity........49-55 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with higher gusts.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest 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.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Snow showers and showers likely in the evening,
then snow showers likely after midnight. Lows in the mid 20s.
Winds generally less than 10 mph.
.MONDAY...Partly cloudy. Snow showers and slight chance of
thunderstorms. Lows around 16. Highs in the upper 30s. West winds
around 10 mph.
.TUESDAY...Partly cloudy. Slight chance of snow showers. Lows in
the lower 20s. Highs in the lower 40s. Winds generally less than
10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers and
showers. Lows in the mid 20s. Highs in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the upper 20s. Highs around 50.
.FRIDAY...Mostly cloudy. Chance of showers and snow showers in
the morning, then showers likely in the afternoon. Highs in the
lower 50s.
$$
WYZ415-192200-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......6 degrees warmer.
Min humidity........37-43 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1000, then
northwest.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers early in the
morning. Chance of snow showers early in the
morning. Chance of snow 50 percent.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......17 degrees warmer.
Max humidity........76-82 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....West 10 to 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 0300, then southwest.
Mixing Height.......1200-3200 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers and slight 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.....39-44.
24 hr trend......2 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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.....Southwest 10 to 15 mph until 1500, then around
20 mph.
Mixing Height.......1200-3200 ft agl until 1400, then 3200-4400 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of showers, slight chance
of thunderstorms and snow showers in the evening, then chance of
snow showers after midnight. Lows in the mid 20s. Southwest winds
around 10 mph.
.MONDAY...Partly cloudy. Snow showers likely and slight chance of
thunderstorms. Lows around 17. Highs in the mid 30s. Southwest
winds around 15 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 and
showers. Lows in the mid 20s. Highs in the mid 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows around 30. Highs around 50.
.FRIDAY...Mostly cloudy. Chance of showers and snow showers in
the morning, then showers, snow showers likely and slight chance
of thunderstorms in the afternoon. Highs in the lower 50s.
$$
WYZ416-192200-
West Wind River Mountains/East Zone Bridger Teton NF-
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......8 degrees warmer.
Min humidity........40-46 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph and gusty.
Ridge top winds.....North around 10 mph until 1000, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers early in the
morning. Chance of snow 20 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......16 degrees warmer.
Max humidity........76-82 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3000 ft agl until 2000, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......2 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 0800, then west.
Chc of wetting rain.5 percent.
Transport winds.....West 10 to 15 mph until 1400, then around 20
mph.
Mixing Height.......600-2600 ft agl until 1300, then 2600-3600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of snow showers after
midnight. Lows in the lower 20s. Winds generally less than
10 mph.
.MONDAY...Partly cloudy with chance of snow showers. Lows around
13. Highs in the lower 30s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Chance of snow showers and showers.
Lows in the lower 20s. Highs in the lower 40s. Winds generally
less than 10 mph.
.THURSDAY...Mostly cloudy. Chance of snow showers and showers.
Lows in the upper 20s. Highs in the mid 40s.
.FRIDAY...Mostly cloudy. Chance of snow showers and showers in
the morning, then snow showers likely with possible showers and
thunderstorms in the afternoon. Highs in the upper 40s.
$$
WYZ288-192200-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......11 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......13 percent drier.
20-foot winds.......West winds around 10 mph until 1200, then
northwest. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph until 1100, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......16 degrees warmer.
Max humidity........68-74 percent.
24 hr trend......18 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers until late
afternoon. Chance of snow showers late in the
afternoon, then slight chance of snow showers
late in the afternoon. Chance of snow 50
percent.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......3 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1800-3800 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Slight chance of snow showers in
the evening, then chance of snow showers after midnight. Lows in
the upper 20s. West winds around 10 mph.
.MONDAY...Mostly clear with chance of snow showers. Lows around
20. Highs in the upper 30s. West winds around 20 mph.
.TUESDAY...Mostly clear. Slight chance of snow showers. Lows in
the mid 20s. Highs in the lower 40s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s.
.FRIDAY...Mostly cloudy. Chance of snow showers and slight chance
of showers in the morning, then chance of showers and snow
showers likely in the afternoon. Highs in the lower 50s.
$$
WYZ414-192200-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......7 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph with higher gusts.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers early in the
morning. Chance of snow showers early in the
morning. Chance of snow 40 percent.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......14 degrees warmer.
Max humidity........81-87 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 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 around 15 mph.
Mixing Height.......1000-3000 ft agl until 2000, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers in the morning. Chance
of rain showers and slight chance of snow
showers in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......3 degrees warmer.
Min humidity........55-61 percent.
24 hr trend......11 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.10 percent until 1200, then zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of snow showers, showers
and slight chance of thunderstorms in the evening, then snow
showers and showers likely after midnight. Lows in the upper 20s.
Southwest winds around 10 mph.
.MONDAY...Partly cloudy with chance of snow showers. Lows around
19. Highs in the upper 30s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the upper 20s. Highs in the mid
40s. Southwest winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the lower 50s.
.FRIDAY...Mostly cloudy. 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.
$$
WYZ278-192200-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......8 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1300, then 2600-3800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......12 degrees warmer.
Max humidity........76-82 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 2000, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......5 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with higher gusts.
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 1300, then around 20
mph.
Mixing Height.......400-2400 ft agl until 1100, then 3200-5200 ft
agl.
Smoke dispersal.....Good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of snow showers and slight
chance of showers after midnight. Lows in the mid 20s. Winds
generally less than 10 mph.
.MONDAY...Mostly clear with chance of snow showers and slight
chance of showers. Lows around 19. Highs in the mid 40s. West
winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the mid 20s. Highs around 50.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 50s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the mid
30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon. Highs around 60.
$$
WYZ277-192200-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....37-42.
24 hr trend......9 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph and gusty.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Min temperature.....26-31.
24 hr trend......13 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1400-3400 ft agl until 2000, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy then
becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......7 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......4 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1100, then 3800-5800 ft
agl.
Smoke dispersal.....Good to very good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Partly cloudy. Chance of snow showers and slight
chance of showers after midnight. Lows in the upper 20s. Winds
generally less than 10 mph.
.MONDAY...Mostly clear. Chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 40s. West winds around 15 mph.
.TUESDAY...Mostly clear. Lows around 30. Highs in the mid 50s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the lower 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the mid
30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon. Highs in the lower 60s.
$$
WYZ279-192200-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......9 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl until 1100, then 3000-5000 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......13 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......15 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2400-4400 ft agl until 2000, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy then becoming mostly
sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......10 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1500, then 25 mph.
Ridge top winds.....West 15 to 20 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. 5000-6600 ft agl
after 1400.
Smoke dispersal.....Very good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. Southwest
winds around 10 mph.
.MONDAY...Mostly clear. Chance of showers and snow showers. Lows
in the upper 20s. Highs in the lower 50s. West winds around
15 mph.
.TUESDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 50s. West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 30s. Highs in the lower 60s. Winds
generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the lower 60s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the
afternoon. Highs in the mid 60s.
$$
WYZ289-192200-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....35-40.
24 hr trend......10 degrees warmer.
Min humidity........40-46 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, 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 around 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......13 degrees warmer.
Max humidity........71-77 percent.
24 hr trend......16 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.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....42-47.
24 hr trend......8 degrees warmer.
Min humidity........46-52 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 15
mph until 1200, then 20 mph.
Ridge top winds.....Southwest 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 20 to 25
mph.
Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Slight chance of showers and snow
showers after midnight. Lows in the upper 20s. Southwest winds
around 10 mph.
.MONDAY...Mostly clear. Chance of snow showers and showers. Lows
in the mid 20s. Highs in the upper 40s. West winds around 15 mph.
.TUESDAY...Mostly clear. Lows around 30. Highs in the lower 50s.
West winds around 10 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 30s. Highs in the upper 50s. Winds generally less than
10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the upper 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers in the afternoon. Highs in the lower 60s.
$$
WYZ300-192200-
Casper Mountain-
343 AM MDT Sat Apr 19 2025
.TODAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....33-38.
24 hr trend......8 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......29 percent drier.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......800-2800 ft agl until 1500, then 2400-3400 ft
agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....20-25.
24 hr trend......9 degrees warmer.
Max humidity........65-71 percent.
24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......South winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy then
becoming mostly cloudy then becoming partly
cloudy.
Chance of thunder...0 percent.
Max temperature.....40-45.
24 hr trend......8 degrees warmer.
Min humidity........54-60 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph. Gusts up to 15 mph until 1500,
then 20 mph.
Ridge top winds.....West 10 to 15 mph until 1600, then 15 to 20
mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1500, then around 20
mph.
Mixing Height.......400-2400 ft agl until 1200, then 2400-3800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.SUNDAY NIGHT...Mostly clear. Lows around 30. Southwest winds
around 10 mph.
.MONDAY...Partly cloudy with slight chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Southwest
winds around 15 mph.
.TUESDAY...Mostly clear. Lows around 30. Highs in the upper 40s.
West winds around 10 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Lows in the lower
30s. Highs in the mid 50s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the mid 50s.
.FRIDAY...Mostly cloudy. Slight chance of showers in the morning,
then chance of showers and slight chance of thunderstorms in the
afternoon. Highs in the upper 50s.
$$