Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
521
FNUS55 KRIW 150938
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
338 AM MDT Sun Jun 15 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
It remains hot and dry today. Isolated shower and thunderstorm
chances (15-30%) occur over northern and eastern zone 140 between
1300L and 2100L. Southwest winds increase in the afternoon, with
gusts generally 20 to 30 mph.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
It remains hot and dry today. Isolated (20%) showers and storms
start over 276 and 286 around noon. Chances (15% to 40%) spread
across the Bighorn Basin and surrounding mountains through the
afternoon, ending from west to east by about 2300L. Some storms
could be strong to severe, with strong erratic outflow winds, large
hail, and frequent lightning.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
It remains hot and dry today. Elevated fire weather conditions
continue across zones 277, 278, 279, and 289 today, with minimum RHs
around 6 to 12 percent and afternoon wind gusts 25 to 35 mph. There
is a small chance (10%) of some showers/storms over eastern zone 279
and zone 289. Storms are also possible across zones 280, 281, 285,
and 300. Some of these storms could be strong to severe, with strong
outflow winds and hail being the main hazards. Strongest storm
potential is over zones 281 and 285.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-161145-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Some thunderstorms may be severe
with gusty winds and large hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....85-90.
24 hr trend......1 degree warmer.
Min humidity........18-24 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 11600-13600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the evening. Some thunderstorms may be severe
with large hail. Chance of thunderstorms 20
percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........77-83 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 15 mph until 2100, then
north. Gusts up to 30 mph.
Ridge top winds.....West around 20 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....South around 20 mph until 2400, then north.
Mixing Height.......3600-5600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Scattered
showers and thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...40 percent.
Max temperature.....79-84.
24 hr trend......6 degrees cooler.
Min humidity........25-31 percent.
24 hr trend......9 percent wetter.
20-foot winds.......North winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1200, then
northeast 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then
northeast.
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 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers and
thunderstorms after midnight. Lows in the lower 50s. Northeast
winds around 10 mph.
.TUESDAY...Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. North
winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs around 80.
Northwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs around
90. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the upper 50s. Highs
86 to 91.
$$
WYZ283-161145-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....84-89.
24 hr trend......2 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph with gusts to around 30 mph until
1500, then southwest around 20 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.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........62-68 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 0300, then northwest with gusts to
around 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north.
Mixing Height.......6200-8200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Max temperature.....78-83.
24 hr trend......7 degrees cooler.
Min humidity........23-29 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest.
Mixing Height.......800-2800 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Isolated showers and thunderstorms
in the evening, then isolated showers after midnight. Lows in the
lower 50s. Northeast winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. North
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 in the
lower 90s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 50s. Highs
85 to 90.
$$
WYZ285-161145-
South Bighorn Mountains-
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the afternoon. Isolated showers in the
afternoon. Isolated thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds early in the afternoon. Some
thunderstorms may be severe with gusty winds
and large hail late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....78-83.
24 hr trend......1 degree cooler.
Min humidity........23-29 percent.
24 hr trend......4 percent wetter.
20-foot winds.......South winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Isolated thunderstorms early in the
evening. Scattered showers early in the
evening. Some thunderstorms may be severe with
large hail. Chance of precipitation 30 percent.
Chance of thunder...10 percent.
Min temperature.....51-56.
24 hr trend......4 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph until 2400, then north.
Gusts up to 25 mph.
Ridge top winds.....West around 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then northwest.
Mixing Height.......2600-4600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds early in the afternoon. Some
thunderstorms may produce gusty winds late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......6 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph until 1200, then southeast until
1500, then northeast. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then scattered showers and isolated
thunderstorms after midnight. Lows around 50. Northeast winds
around 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northwest winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
70s. West 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 mid 50s. Highs in the lower 80s.
.SATURDAY...Mostly sunny. Highs in the upper 70s.
$$
WYZ281-161145-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Scattered showers and thunderstorms
late in the afternoon. Some thunderstorms may
be severe with large hail. Chance of
precipitation 30 percent.
Chance of thunder...30 percent.
Max temperature.....78-83.
24 hr trend......1 degree warmer.
Min humidity........31-37 percent.
24 hr trend......6 percent drier.
20-foot winds.......South winds around 10 mph until 1500, then
north. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor until 1200, then very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the evening. Some
thunderstorms may be severe with large hail
early in the evening. Some thunderstorms may be
severe with large hail early in the evening.
Some thunderstorms may produce gusty winds late
in the evening. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Min temperature.....52-57.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southeast around 20 mph until 2400, then north.
Mixing Height.......2200-4200 ft agl until 2400, then 600-1200 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds early in the afternoon. Some
thunderstorms may produce gusty winds late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......8 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......12 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then south
until 1200, then northeast. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3400-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Numerous showers and scattered
thunderstorms in the evening, then scattered showers and isolated
thunderstorms after midnight. Lows in the lower 50s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy. Showers and chance of thunderstorms.
Lows around 50. Highs around 70. Winds generally less than
10 mph.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. South winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Mostly clear. Lows in the upper 50s.
Highs 84 to 89.
$$
WYZ282-161145-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Some thunderstorms may be severe
with gusty winds and large hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....80-85.
24 hr trend......1 degree warmer.
Min humidity........22-28 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southwest around 10 mph until 1200, then around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Isolated thunderstorms early in the
evening. Some thunderstorms may be severe with
large hail. Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....49-54.
24 hr trend......3 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph until 0300, then
west. Gusts up to 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms early in the
afternoon. Scattered showers and thunderstorms
late in the afternoon. Some thunderstorms may
produce gusty winds in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....73-78.
24 hr trend......8 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....West around 10 mph until 1200, then north.
Mixing Height.......600-2600 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows in the mid 50s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows around 50. Highs in the mid 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. South winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the upper 50s. Highs
86 to 91.
$$
WYZ275-161145-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Some thunderstorms may be severe
with gusty winds and large hail. Some
thunderstorms may be severe with gusty winds
and large hail. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....77-82.
24 hr trend......Unchanged.
Min humidity........24-30 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southeast around 10 mph with gusts to around 30
mph until 1500, then northeast with gusts to
around 30 mph.
Ridge top winds.....West around 10 mph until 1200, then southeast.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then south
around 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated thunderstorms in the
evening. Isolated showers in the evening.
Isolated thunderstorms late in the evening.
Some thunderstorms may be severe with large
hail in the evening. Some thunderstorms may
produce gusty winds late in the evening. Chance
of precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......2 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Some thunderstorms may produce
gusty winds late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....70-75.
24 hr trend......6 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......5 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....South around 10 mph until 1200, then northwest.
Mixing Height.......800-2800 ft agl until 1200, then 3200-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows in the mid 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs in the lower 80s.
Winds generally less than 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. South winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs around 90.
.SATURDAY...Sunny. Highs in the mid 80s.
$$
WYZ276-161145-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Scattered
showers and thunderstorms late in the
afternoon, then isolated showers and
thunderstorms late in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Some thunderstorms may be severe
with gusty winds and large hail. Chance of
precipitation 40 percent.
Chance of thunder...30 percent.
Max temperature.....76-81.
24 hr trend......1 degree cooler.
Min humidity........30-36 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east
around 10 mph with gusts to around 25 mph until
1500, then north with gusts to around 25 mph.
Ridge top winds.....North around 10 mph until 1200, then northeast
around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 10 mph until 1200, then south
around 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 6000-8000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Isolated thunderstorms in the evening.
Isolated showers late in the evening. Some
thunderstorms may be severe with large hail.
Chance of precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....50-55.
24 hr trend......4 degrees cooler.
Max humidity........66-72 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Good.
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.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 800-1200 ft
agl.
Smoke dispersal.....Poor to fair.
.MONDAY...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Some thunderstorms may produce
gusty winds late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....72-77.
24 hr trend......3 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 10 mph until 1200, then north.
Mixing Height.......2400-4400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows in the lower 50s. Winds generally less than
10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs in the upper 70s.
Southwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the lower 50s. Highs in the mid 80s.
.SATURDAY...Mostly sunny. Highs in the upper 70s.
$$
WYZ287-161145-
Owl Creek Mountains-
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....78-83.
24 hr trend......2 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......Unchanged.
20-foot winds.......South winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 30 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......800-2800 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......3 degrees cooler.
Max humidity........67-73 percent.
24 hr trend......17 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 15 mph until 2400, then
northwest. Gusts up to 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......3800-5800 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Mostly cloudy. Isolated showers and
thunderstorms early in the afternoon. Scattered
showers and thunderstorms early in the
afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Chance of precipitation
50 percent.
Chance of thunder...40 percent.
Max temperature.....71-76.
24 hr trend......7 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......14 percent wetter.
20-foot winds.......South winds around 10 mph until 1200, then
northeast. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph until 1200, then northeast.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers after
midnight. Lows in the lower 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northwest winds around 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
mid 80s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 50s. Highs
78 to 83.
$$
WYZ286-161145-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Some thunderstorms may produce
gusty winds and large hail late in the
afternoon, then some thunderstorms may be
severe with gusty winds and large hail. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......Unchanged.
Min humidity........25-31 percent.
24 hr trend......4 percent wetter.
20-foot winds.......South winds 10 to 15 mph with gusts to around
30 mph until 1500, then southwest around 20 mph
with gusts to around 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Isolated
thunderstorms early in the evening. Some
thunderstorms may be severe with gusty winds
and large hail. Some thunderstorms may be
severe with large hail. Chance of precipitation
20 percent.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......2 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph until 2400, then around 10 mph with gusts
to around 15 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds early in the afternoon. Some
thunderstorms may produce gusty winds late in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
24 hr trend......3 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Scattered showers and isolated
thunderstorms in the evening, then isolated showers after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with showers likely and chance of
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
West winds around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 60s.
West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows around 50. Highs in the mid 70s.
Southwest winds around 15 mph.
.FRIDAY...Clear. Slight chance of showers. Lows in the mid 40s.
Highs in the lower 70s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 60s.
$$
WYZ140-161145-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy. Isolated thunderstorms early in
the afternoon. Isolated showers early in the
afternoon. Isolated thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds early in the afternoon. Some
thunderstorms may be severe with gusty winds
and large hail late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....73-78.
24 hr trend......2 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 30 mph until
1500, then southwest around 20 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.....South around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9600-11600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated thunderstorms early in
the evening. Isolated thunderstorms early in
the evening. Some thunderstorms may be severe
with large hail. Some thunderstorms may be
severe with gusty winds and large hail. Chance
of thunderstorms 20 percent.
Chance of thunder...10 percent.
Min temperature.....41-46.
24 hr trend......2 degrees cooler.
Max humidity........64-70 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 20 mph until 2400, then around
10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers and thunderstorms in the
afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Chance of precipitation
20 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......5 degrees cooler.
Min humidity........17-23 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Isolated showers and thunderstorms
in the evening. Lows around 40. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
Winds generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the upper
60s. Southwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. South winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 40s. Highs in the upper 60s.
.SATURDAY...Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ415-161145-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......1 degree warmer.
Min humidity........24-30 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
10 to 15 mph with gusts to around 30 mph until
1500, then southwest around 20 mph with gusts
to around 30 mph.
Ridge top winds.....Southeast around 15 mph until 1200, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree cooler.
Max humidity........52-58 percent.
24 hr trend......6 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 2400, then downslope/downvalley 4-7
mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......4 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Partly cloudy. Isolated showers in the evening.
Lows in the lower 40s. Winds generally less than 10 mph.
.TUESDAY...Mostly clear with chance of showers and thunderstorms.
Lows around 40. Highs in the lower 60s. Southwest winds around
10 mph.
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the upper
60s. Southwest winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. South winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the lower 40s. Highs
66 to 71.
$$
WYZ416-161145-
West Wind River Mountains/East Zone Bridger Teton NF-
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....70-75.
24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southeast winds 10 to 15 mph with gusts to
around 25 mph until 1200, then southwest around
20 mph with gusts to around 35 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 30 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree cooler.
Max humidity........49-55 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Moderate.
20-foot winds.......West winds around 20 mph with gusts to around
35 mph until 2100, then northwest around 10 mph
with gusts to around 35 mph until 0300, then
north with gusts to around 15 mph.
Ridge top winds.....West around 20 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated showers early in the afternoon.
Isolated thunderstorms late in the afternoon.
Some thunderstorms may produce gusty winds late
in the afternoon. Chance of precipitation 20
percent.
Chance of thunder...10 percent.
Max temperature.....66-71.
24 hr trend......3 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......3 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 8600-10600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 40s. Winds
generally less than 10 mph.
.TUESDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
West winds around 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 upper 40s. Highs in the
mid 70s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 40s. Highs
67 to 72.
$$
WYZ288-161145-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......1 degree warmer.
Min humidity........17-23 percent.
24 hr trend......1 percent wetter.
20-foot winds.......South winds around 10 mph with gusts to around
25 mph until 1200, then southwest around 20 mph
with gusts to around 35 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 30 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 10800-12800
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......1 degree cooler.
Max humidity........46-52 percent.
24 hr trend......1 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph until 2400, then around 10 mph and gusty.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......5200-7200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and isolated thunderstorms in
the afternoon. Some thunderstorms may produce
gusty winds in the afternoon. Chance of
precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....70-75.
24 hr trend......3 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph and gusty until 1200,
then southwest 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.......2800-4800 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Isolated showers and thunderstorms
in the evening. Lows in the mid 40s. West winds around 10 mph.
.TUESDAY...Mostly clear with chance of showers and thunderstorms.
Lows in the lower 40s. Highs in the mid 60s. West winds around
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 THROUGH SATURDAY...Clear. Lows around 50. Highs 70 to 75.
$$
WYZ414-161145-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......1 degree warmer.
Min humidity........16-22 percent.
24 hr trend......1 percent drier.
20-foot winds.......South winds around 10 mph until 1200, then
southwest 15 to 20 mph. Gusts up to 30 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......1 degree cooler.
Max humidity........55-61 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph until 2400, then downslope/downvalley 4-7
mph.
Ridge top winds.....West around 15 mph until 2400, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then north.
Mixing Height.......4400-6400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......3 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......4 percent wetter.
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.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the mid 40s. Winds
generally less than 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. West winds around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs around 70.
Southwest winds around 10 mph.
.JUNETEENTH...Clear. Lows around 50. Highs in the upper 70s.
South winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 40s. Highs
69 to 74.
$$
WYZ278-161145-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......1 degree warmer.
Min humidity........11-17 percent.
24 hr trend......1 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph with higher gusts until 1200,
then southwest around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast around 15 mph until 1200, then
southwest around 25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 12600-14600
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......1 degree cooler.
Max humidity........50-56 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph until 2100, then northwest around 10 mph
with gusts to around 30 mph until 0300, 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 north
around 10 mph.
Mixing Height.......5600-7600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good to excellent until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......3 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....Southeast around 10 mph until 1200, then
southwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 10600-12600
ft agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northwest
winds around 10 mph.
.TUESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 70s.
Northwest winds around 10 mph.
.JUNETEENTH...Clear. Lows in the lower 50s. Highs in the mid 80s.
Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the upper 40s. Highs
79 to 84.
$$
WYZ277-161145-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......2 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph with higher gusts until 1200,
then southwest around 20 mph with gusts to
around 30 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......2 degrees cooler.
Max humidity........50-56 percent.
24 hr trend......2 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north
around 10 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......3 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....East around 10 mph until 1200, then southwest
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the upper 40s. Northwest
winds around 10 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. West winds around 10 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the upper 70s.
West winds around 10 mph.
.JUNETEENTH...Clear. Lows in the lower 50s. Highs in the upper
80s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the upper 40s. Highs
77 to 82.
$$
WYZ279-161145-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......1 degree warmer.
Min humidity........9-15 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph until 1500, then west around 20 mph with
gusts to around 30 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......4400-6400 ft agl until 1200, then 14600-16600
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......1 degree cooler.
Max humidity........36-42 percent.
24 hr trend......7 percent drier.
Humidity recovery...Poor.
20-foot winds.......West winds around 20 mph with gusts to around
30 mph until 2100. Downslope/downvalley 4-7 mph
after 2400.
Ridge top winds.....West around 20 mph until 2400, then southwest
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then around 10
mph.
Mixing Height.......6800-8800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......2 degrees cooler.
Min humidity........9-15 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph until 1500, then west around 20 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.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 12800-14800
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northwest
winds around 10 mph.
.TUESDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Clear. Lows around 50. 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 THROUGH SATURDAY...Clear. Lows in the mid 50s. Highs
84 to 89.
$$
WYZ289-161145-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......1 degree warmer.
Min humidity........9-15 percent.
24 hr trend......Unchanged.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 30
mph until 1500, then around 20 mph with gusts
to around 30 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 14400-16400
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......1 degree cooler.
Max humidity........54-60 percent.
24 hr trend......5 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph until 2400, then northwest around 10 mph
with gusts to around 15 mph until 0300, then
north with gusts to around 15 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 2400, then north.
Mixing Height.......6800-8800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Excellent until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Some
thunderstorms may produce gusty winds early in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......3 degrees cooler.
Min humidity........13-19 percent.
24 hr trend......2 percent wetter.
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.....East around 10 mph until 1200, then west around
20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1200, then southwest
around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Isolated showers and thunderstorms
in the evening, then isolated showers after midnight. Lows in the
lower 50s. North winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Northwest winds around 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the upper
70s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southwest winds around 15 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 50s. Highs
83 to 88.
$$
WYZ300-161145-
Casper Mountain-
338 AM MDT Sun Jun 15 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Isolated showers and thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....79-84.
24 hr trend......Unchanged.
Min humidity........18-24 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southeast winds around 10 mph and gusty until
0900, then upslope/upvalley 5-9 mph until 1200,
then southwest 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....South around 10 mph until 1200, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......4200-6200 ft agl until 1200, then 12600-14600
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......1 degree cooler.
Max humidity........61-67 percent.
24 hr trend......8 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 15 mph until 2400, then
south. Gusts up to 25 mph.
Ridge top winds.....South 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.MONDAY...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the afternoon. Scattered
showers and thunderstorms late in the
afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Chance of precipitation
40 percent.
Chance of thunder...30 percent.
Max temperature.....75-80.
24 hr trend......3 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph until 1500, then
northeast. Gusts up to 20 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly cloudy. Scattered showers and
thunderstorms in the evening, then isolated showers and
thunderstorms after midnight. Lows in the lower 50s. East winds
around 10 mph.
.TUESDAY...Cooler. Partly cloudy. Showers likely and chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds
generally less than 10 mph.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
70s. West winds around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows in the mid 50s. Highs
81 to 86.
$$