Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
794
FNUS55 KRIW 160917
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
317 AM MDT Mon Jun 16 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Slightly cooler temperatures compared to yesterday (Sunday) and near
elevated fire weather conditions across all zones today with minimum
relative humidity values between 15 and 20 percent. West-
southwesterly winds increase between 1100L and 1300L with gusts up
to 30 mph. Thunderstorm potential (up to 50 percent) exists across
zone 140 between 1500L and 2200L. Isolated to scattered high
elevation shower and mostly dry thunderstorm potential exists (up to
30 percent chance) across zones 414, 415, and 416 between 1500L and
2000L. Thunderstorms could produce gusty outflows above 50 mph.
Isolated shower chances exist again after 2200L through sunrise
Tuesday across zones 414 and 416. Cooler temperatures on Tuesday
with the passage of a cold front.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Slightly cooler temperatures compared to yesterday (Sunday) with
minimum relative humidity values ranging from around 20 percent to
30 percent. West-southwesterly winds increase between 1100L and
1300L with gusts up to 35 mph. Scattered thunderstorm potential (up
to 60 percent) exists across all zones. Shower and thunderstorm
chances increase around 1300L across high elevations of zone 276,
286, and 288 before pushing east. Thunderstorm chances continue
through 2200L with scattered shower chances (30 percent) until
sunrise Tuesday. Thunderstorms could be strong to severe with strong
gusts 50+ mph and large hail. Shower and thunderstorm chances and
cooler temperatures on Tuesday with the passage of a cold front.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Elevated fire weather conditions today across zones 277, 278, 279,
and 289 with minimum relative humidity values between 8 and 12
percent and gusty winds up to 35 mph. West-southwesterly winds
increase between 1100L and 1300L. Scattered thunderstorm potential
(up to 70 percent) exists across zones 280, 281, and 285 between
1500L and 2200L and isolated shower chances 2200L through sunrise
Tuesday. Similarly, isolated showers and mostly dry thunderstorm
potential exists (up to 30 percent chance) across zones 277, 278,
289, and 300 between 1500L and sunrise Tuesday. All thunderstorms
could produce gusty outflows above 50 mph. Thunderstorms east of the
Divide could be strong to severe with strong winds and large hail.
Shower and thunderstorm chances and cooler temperatures on Tuesday
with the passage of a cold front.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-171130-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms this afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....80-85.
24 hr trend......8 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 15 mph with gusts to around 30 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....North around 10 mph until 1200, then west.
Mixing Height.......800-2800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms in the
evening. Chance of showers through the night.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....50-55.
24 hr trend......1 degree cooler.
Max humidity........87-93 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 15 to 20 mph until 0300, then
around 10 mph. Gusts up to 40 mph until 2400,
then 30 mph.
Ridge top winds.....Northeast around 25 mph until 2400, then around
15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northeast around 25 mph until 2400, then around
15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 800-1200 ft
agl.
Smoke dispersal.....Poor to fair.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......9 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.20 percent until 1200, then 30 percent.
Transport winds.....East around 15 mph until 1200, then north.
Mixing Height.......1400-3400 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
80s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs around
90. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs around 90.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the lower 50s. Highs around 90.
.SUNDAY...Not as warm. Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 70s.
$$
WYZ283-171130-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms early in the afternoon through
late in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...20 percent.
Max temperature.....78-83.
24 hr trend......9 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......10 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts
until 0900, then upslope/upvalley 5-9 mph until
1500, then northwest around 15 mph with gusts
to around 30 mph.
Ridge top winds.....East around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west.
Mixing Height.......1000-3000 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of showers
after midnight. Chance of precipitation 40
percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......3 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 15 mph until 2100, then
northeast. Gusts up to 35 mph.
Ridge top winds.....North around 20 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then east.
Mixing Height.......2800-4800 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....71-76.
24 hr trend......6 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1200, then
north. Gusts up to 30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 4000-6000 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
80s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs around 90.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the upper 80s.
.SUNDAY...Not as warm. Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ285-171130-
South Bighorn Mountains-
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Showers likely and chance of thunderstorms in
the afternoon. Some thunderstorms may be severe
early in the afternoon. Chance of precipitation
70 percent.
Chance of thunder...40 percent.
Max temperature.....72-77.
24 hr trend......7 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of thunderstorms in the evening. Chance
of showers through the night. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......3 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 15 to 20 mph with gusts to
around 45 mph until 0300, then southeast around
10 mph with gusts to around 35 mph.
Ridge top winds.....Northeast 15 to 20 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northeast around 20 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Showers likely through the day. Chance of
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....64-69.
24 hr trend......8 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.15 percent until 1200, then 35 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. West winds
around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the mid 70s.
West winds around 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds 10 to 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
upper 40s. Highs in the lower 80s.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers in the
morning, then slight chance of showers and thunderstorms in the
afternoon. Highs in the upper 60s.
$$
WYZ281-171130-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers and thunderstorms
early in the afternoon through late in the
afternoon. Some thunderstorms may be severe.
Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......6 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers likely and chance of
thunderstorms in the evening, then chance of
showers and thunderstorms after midnight.
Some thunderstorms may be severe early in the
evening. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....50-55.
24 hr trend......3 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph with gusts to around
40 mph until 2400, then around 10 mph and gusty
until 0300, then southwest and gusty.
Ridge top winds.....North around 20 mph until 2400, then west.
Chc of wetting rain.35 percent until 2400, then zero percent.
Transport winds.....North around 20 mph until 2400, then southeast.
Mixing Height.......1200-3200 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the morning, then showers
likely and chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....65-70.
24 hr trend......8 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph with higher gusts until
1200, then north with gusts to around 30 mph.
Ridge top winds.....Southeast around 15 mph until 1200, then north.
Chc of wetting rain.15 percent until 1200, then 55 percent.
Transport winds.....East around 15 mph until 1200, then north.
Mixing Height.......1000-3000 ft agl until 1200, then 3200-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows around 50. Winds generally
less than 10 mph.
.WEDNESDAY...Warmer, clear. Lows in the mid 50s. Highs around 80.
Winds generally less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the upper 80s. West winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 80s.
.SUNDAY...Cooler. Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ282-171130-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers and thunderstorms
early in the afternoon through late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....73-78.
24 hr trend......9 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms in the
evening. Chance of showers through the night.
Slight chance of thunderstorms after midnight.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 15 mph until 2100, then
northwest until 2400, then west until 0300,
then downslope/downvalley 4-7 mph. Gusts up to
35 mph.
Ridge top winds.....Northeast around 20 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 20 mph until 2400, then west.
Mixing Height.......1600-3600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of thunderstorms in the morning.
Chance of showers and thunderstorms through
the day. Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......7 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West around 10 mph until 1200, then northwest.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4600-6400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Warmer, clear. Lows in the mid 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 90s. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
lower 50s. Highs around 90.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ275-171130-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Some
thunderstorms may be severe early in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....71-76.
24 hr trend......6 degrees cooler.
Min humidity........26-32 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east
around 15 mph with gusts to around 35 mph.
Ridge top winds.....South around 10 mph until 1200, then southeast.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms in the
evening. Chance of showers through the night.
Slight chance of thunderstorms after midnight.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....46-51.
24 hr trend......4 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 20 mph with gusts to around
40 mph until 2400, then northwest around 10 mph
and gusty until 0300, then downslope/downvalley
4-7 mph.
Ridge top winds.....North around 25 mph until 2400, then northwest
around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....North around 25 mph until 2400, then northwest
around 15 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers and
thunderstorms through the day. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....66-71.
24 hr trend......5 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph with gusts to around 35
mph.
Ridge top winds.....Northwest around 10 mph until 1200, then around
20 mph.
Chc of wetting rain.7 percent.
Transport winds.....Northwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds
generally less than 10 mph.
.WEDNESDAY...Warmer, clear. Lows in the mid 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs around 90. West winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers. Lows around 50.
Highs in the upper 80s.
.SUNDAY...Cooler. Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ276-171130-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....74-79.
24 hr trend......2 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph with gusts to around 35 mph until
1500, then northwest around 20 mph with gusts
to around 35 mph.
Ridge top winds.....North around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers and thunderstorms in the
evening. Slight chance of showers and
thunderstorms after midnight. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....46-51.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph with gusts to around
35 mph until 2400, then west around 10 mph with
gusts to around 15 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North around 20 mph until 2400, then west
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....North around 25 mph until 2400, then northwest
around 10 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the morning, then showers
likely and chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....66-71.
24 hr trend......8 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....North 15 to 20 mph.
Chc of wetting rain.5 percent until 1200, then 45 percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......2200-4200 ft agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows around 50. Winds generally
less than 10 mph.
.WEDNESDAY THROUGH FRIDAY...Mostly clear. Lows 53 to 58. Highs
80 to 85. West winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
mid 40s. Highs in the lower 80s.
.SUNDAY...Cooler. Partly 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.
$$
WYZ287-171130-
Owl Creek Mountains-
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms early in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....71-76.
24 hr trend......8 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 15 mph with gusts to around 25 mph after
1500.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 5200-7200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers and
thunderstorms in the evening. Slight chance of
showers after midnight. Chance of precipitation
40 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......4 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
40 mph until 2100, then northwest with gusts to
around 40 mph until 2400, then around 10 mph
with gusts to around 30 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 200-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers in the morning, then
showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....63-68.
24 hr trend......9 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......28 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph until 1200, then north. Gusts up
to 30 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then north.
Chc of wetting rain.Zero percent until 1200, then 50 percent.
Transport winds.....West around 15 mph until 1200, then north.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs in the mid 70s.
Southwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the mid 50s. Highs in the
lower 80s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the lower 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Slight chance of showers. Lows in the mid 40s.
Highs in the lower 80s.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 60s.
$$
WYZ286-171130-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
24 hr trend......5 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph with gusts to around 30 mph after
1500.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 30 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms in the evening. Slight chance of
showers after midnight. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Min temperature.....41-46.
24 hr trend......4 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......29 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph until 2100, then north with gusts to
around 30 mph until 2400, then east with gusts
to around 15 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then south
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then
southeast around 10 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the morning, then showers
likely and chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......8 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....West around 10 mph until 1200, then northwest
around 20 mph.
Chc of wetting rain.Zero percent until 1200, then 40 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 4400-6400 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the upper
60s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. Southwest winds around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
West winds around 15 mph.
.SATURDAY...Mostly clear. Chance of showers and snow showers.
Lows in the upper 30s. Highs in the lower 70s.
.SUNDAY...Cooler. Partly cloudy. Slight chance of showers and
snow showers in the morning, then chance of showers, snow showers
and slight chance of thunderstorms in the afternoon. Highs in the
mid 50s.
$$
WYZ140-171130-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms early in the afternoon through
late in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....69-74.
24 hr trend......5 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
24 hr trend......3 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......25 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph until 2100, then northeast with gusts to
around 30 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then
northeast around 10 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers and thunderstorms
through the day. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....63-68.
24 hr trend......6 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......19 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.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 25 percent.
Transport winds.....Northwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows around 40. Winds generally
less than 10 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s. Southwest winds around 10 mph.
.JUNETEENTH...Partly cloudy. Lows in the mid 40s. Highs in the
mid 70s. South winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the mid 60s.
.SUNDAY...Cooler. Partly cloudy. Chance of showers and snow
showers in the morning, then chance of showers, snow showers and
slight chance of thunderstorms in the afternoon. Highs in the
lower 50s.
$$
WYZ415-171130-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......5 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 15 mph with gusts to around 30 mph.
Ridge top winds.....South around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......4 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......23 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then south.
Mixing Height.......4600-6600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....62-67.
24 hr trend......6 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
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.......2800-4800 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows around 40. Winds generally
less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 60s.
Southwest winds around 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows 43 to 48. Highs
73 to 78. Southwest winds around 10 mph.
.SATURDAY...Clear. Slight chance of showers and snow showers.
Lows in the mid 30s. Highs in the upper 60s.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers and snow
showers in the morning, then chance of showers, snow showers and
slight chance of thunderstorms in the afternoon. Highs in the mid
50s.
$$
WYZ416-171130-
West Wind River Mountains/East Zone Bridger Teton NF-
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......6 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 35
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers early
in the evening through the overnight. Chance of
showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......4 degrees cooler.
Max humidity........63-69 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 15 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
northeast 10 to 15 mph. Gusts up to 30 mph.
Ridge top winds.....West around 15 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then east.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers early
in the morning. Chance of showers 50 percent.
Chance of thunder...0 percent.
Max temperature.....60-65.
24 hr trend......5 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......12 percent wetter.
20-foot winds.......North winds around 10 mph until 0900, then west
until 1500, then around 20 mph. Gusts up to 30
mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......3200-5200 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the upper 30s. Winds generally
less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the upper
60s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Southwest winds around 15 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 30s. Highs around 70.
.SUNDAY...Cooler. Mostly sunny. Slight chance of snow showers in
the morning, then slight chance of showers, thunderstorms and
snow showers in the afternoon. Highs in the mid 50s.
$$
WYZ288-171130-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......6 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of showers
after midnight. Chance of precipitation 30
percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......5 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......28 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph until 2400, then south
until 0300, then west. Gusts up to 30 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then southeast.
Mixing Height.......3600-5600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Chance of showers in the
morning. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....60-65.
24 hr trend......6 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs around 70. West
winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Southwest winds around 15 mph.
.FRIDAY...Clear. Lows in the lower 50s. Highs in the mid 70s.
Southwest winds around 20 mph.
.SATURDAY...Clear. Lows in the lower 40s. Highs in the mid 70s.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers and snow
showers in the morning, then chance of snow showers, slight
chance of showers and thunderstorms in the afternoon. Highs
around 60.
$$
WYZ414-171130-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....69-74.
24 hr trend......3 degrees cooler.
Min humidity........17-23 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....South around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers early
and late in the evening. Chance of showers 20
percent.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......3 degrees cooler.
Max humidity........64-70 percent.
24 hr trend......12 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of showers early in the morning.
Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....63-68.
24 hr trend......6 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......14 percent wetter.
20-foot winds.......South winds around 10 mph until 0900, then
northwest 15 to 20 mph. Gusts up to 30 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 40s. Winds generally
less than 10 mph.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs around 70.
Southwest winds around 10 mph.
.JUNETEENTH THROUGH FRIDAY...Clear. Lows 46 to 51. Highs 75 to
80. Southwest winds 10 to 15 mph.
.SATURDAY...Clear. Lows in the upper 30s. Highs in the lower 70s.
.SUNDAY...Cooler. Mostly sunny with slight chance of showers and
snow showers. Highs in the mid 50s.
$$
WYZ278-171130-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms
late in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...10 percent.
Max temperature.....74-79.
24 hr trend......4 degrees cooler.
Min humidity........11-17 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph with gusts to around 35
mph until 1500, then west around 20 mph with
gusts to around 35 mph.
Ridge top winds.....East around 10 mph until 1200, then west around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 12400-14400
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of showers late in the
evening and again after midnight. Chance of
showers 30 percent.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......1 degree warmer.
Max humidity........57-63 percent.
24 hr trend......15 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph until 2100, then north around 10 mph
with gusts to around 35 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north.
Mixing Height.......5200-7200 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Slight chance of showers early in the morning.
Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......5 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 1200, then
around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Northwest around 15 mph until 1200, then around
25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......4000-6000 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 40s. Northwest winds
around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 70s.
Northwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows around 50. Highs in the mid 80s.
Southwest winds around 15 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the lower 40s. Highs in the lower 80s.
.SUNDAY...Cooler. Mostly sunny. Slight chance of showers in the
afternoon. Highs in the mid 60s.
$$
WYZ277-171130-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......2 degrees cooler.
Min humidity........11-17 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 35 mph until
1500, then around 20 mph with gusts to around
35 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west
around 30 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 11800-13800
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers in the
late evening and overnight. Chance of showers
20 percent.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........56-62 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 35
mph until 2400, then downslope/downvalley 4-7
mph.
Ridge top winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then northwest
around 10 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......6 degrees cooler.
Min humidity........20-26 percent.
24 hr trend......7 percent wetter.
20-foot winds.......North winds around 10 mph until 1200, then
northwest around 20 mph. Gusts up to 30 mph.
Ridge top winds.....North around 15 mph until 1200, then northwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3800-5800 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Clear. Lows in the lower 40s. Winds generally
less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Clear. Lows 49 to 54. Highs 82 to
87. Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 30s. Highs in the lower 80s.
.SUNDAY...Cooler, sunny. Highs in the mid 60s.
$$
WYZ279-171130-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the afternoon. Chance of showers 20 percent.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......3 degrees cooler.
Min humidity........9-15 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
15 to 20 mph with gusts to around 35 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......4200-6200 ft agl until 1200, then 14600-16600
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers. Chance
of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........52-58 percent.
24 hr trend......24 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 35 mph until 0300, then northeast and
gusty.
Ridge top winds.....Northwest around 20 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then
northeast.
Mixing Height.......5400-7400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.TUESDAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the morning. Chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
24 hr trend......7 degrees cooler.
Min humidity........17-23 percent.
24 hr trend......8 percent wetter.
20-foot winds.......North winds around 10 mph with gusts to around
30 mph until 0900, then northwest 15 to 20 mph
with gusts to around 40 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 20 to 25 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest
winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
80s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs around
90. Southwest winds around 15 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the upper 80s.
.SUNDAY...Cooler, sunny. Highs in the lower 70s.
$$
WYZ289-171130-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......4 degrees cooler.
Min humidity........13-19 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 35 mph until
1500, then around 20 mph with gusts to around
35 mph.
Ridge top winds.....East around 10 mph until 1200, then west around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 10 mph until 1200, then west
around 25 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
in the evening. Chance of showers through the
night. Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....50-55.
24 hr trend......3 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......22 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 15 mph until 2100, then
northeast. Gusts up to 35 mph.
Ridge top winds.....North around 20 mph until 2400, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then
northeast.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.TUESDAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers in the morning. Slight chance
of showers and thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......9 degrees cooler.
Min humidity........26-32 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Northeast winds around 10 mph until 0900, then
northwest 15 to 20 mph. Gusts up to 35 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs around 80. West
winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southwest winds around 15 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows around 50. Highs in the mid 80s.
.SUNDAY...Cooler. Mostly sunny. Highs in the lower 70s.
$$
WYZ300-171130-
Casper Mountain-
317 AM MDT Mon Jun 16 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance to chance of
showers and thunderstorms early in the afternoon
through late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....76-81.
24 hr trend......4 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph with gusts to around 25
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms in the
evening. Chance of showers through the night.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....49-54.
24 hr trend......4 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......19 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds 10 to 15 mph until 0300, then
southeast. Gusts up to 30 mph.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....East around 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.TUESDAY...
Sky/weather.........Mostly cloudy. Slight chance to chance of showers
and thunderstorms in the morning and through the
day. Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....67-72.
24 hr trend......9 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......26 percent wetter.
20-foot winds.......Southeast winds around 15 mph until 1200, then
north. Gusts up to 35 mph.
Ridge top winds.....Southeast around 20 mph until 1200, then north.
Chc of wetting rain.15 percent until 1200, then 35 percent.
Transport winds.....South around 20 mph until 1200, then northwest.
Mixing Height.......1400-3400 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.TUESDAY NIGHT...Mostly clear. Slight chance of showers and
thunderstorms in the evening. Lows in the mid 40s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the mid 70s.
Southwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs in the mid 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the lower 50s. Highs in the lower 80s.
.SUNDAY...Mostly sunny. Highs in the mid 70s.
$$