Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
226
FNUS55 KRIW 171904
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
104 PM MDT Tue Jun 17 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
There is a 20 to 30 percent chance of showers and thunderstorms
across the northern zones, with greatest chances across eastern
portions of 140 through 1800 this afternoon. A warming and drying
trend will then be in place through Thursday, with Thursday being
the warmest and driest day of the week. Winds will remain light,
generally less than 15 mph, through the week.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
There is a 30 to 50 percent chance of showers and thunderstorms
across the dispatch area through 1800 this afternoon. Gusty and
erratic winds and frequent lightning are the main concerns with
thunderstorms this afternoon. Wetting rain in likely with any
stronger thunderstorms as well. A warming and drying trend will then
be in place through Thursday, with Thursday being the warmest and
driest day of the week. Winds will remain light, generally less than
15 mph, through the week.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
There is a 30 to 50 percent chance of showers and thunderstorms
across east of the Divide zones through 1800 this afternoon. Gusty
and erratic winds and frequent lightning are the main concerns with
thunderstorms this afternoon. Wetting rain in likely with any
stronger thunderstorms as well. A warming and drying trend will then
be in place through Thursday, with Thursday being the warmest and
driest day of the week. Gusty southwest winds are expected across
west of the Divide zones and thus, critical fire weather conditions
are expected through Saturday.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-182115-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......13 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......20 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.25 percent.
Transport winds.....North around 20 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......1 degree cooler.
Max humidity........85-91 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 15 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
southwest around 10 mph with gusts to around 15
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast around 15 mph until 2400, then
southwest.
Mixing Height.......2000-4000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....77-82.
24 hr trend......11 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......26 percent drier.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......4 degrees warmer.
Max humidity........56-62 percent.
24 hr trend......31 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......4600-6600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....88-93.
24 hr trend......10 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......6 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 20
mph until 1200, then 30 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11600-13600
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs in the lower 90s.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 80s. Southwest winds around 20 mph.
.SUNDAY...Not as warm. Partly cloudy with chance of showers and
slight chance of thunderstorms. Lows in the mid 40s. Highs in the
mid 70s. North winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ283-182115-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....69-74.
24 hr trend......9 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......14 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....North around 20 mph.
Mixing Height.......7200-9200 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......2400-4400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......10 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with gusts to around 25 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....49-54.
24 hr trend......4 degrees warmer.
Max humidity........49-55 percent.
24 hr trend......26 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph. Gusts up to 25 mph
until 2400, then 15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....87-92.
24 hr trend......9 degrees warmer.
Min humidity........12-18 percent.
24 hr trend......4 percent drier.
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.....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 around
25 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs around 90.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 80s. West winds around 20 mph.
.SUNDAY...Not as warm. Partly cloudy. Slight chance of showers.
Lows in the mid 40s. Highs in the lower 70s. North winds around
15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs 72 to 77.
$$
WYZ285-182115-
South Bighorn Mountains-
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....62-67.
24 hr trend......10 degrees cooler.
Min humidity........42-48 percent.
24 hr trend......16 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.20 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......5400-7400 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Isolated
showers and thunderstorms early in the evening.
Some thunderstorms may produce gusty winds and
small hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........77-83 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
west around 10 mph. Gusts up to 25 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......1800-3800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor to fair until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......10 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......22 percent drier.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......7 degrees warmer.
Max humidity........48-54 percent.
24 hr trend......32 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......10 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest 15 to 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.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs in the lower 80s.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
upper 40s. Highs around 80. West winds around 20 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
60s. Northwest winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the lower 60s.
.TUESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the upper 60s.
$$
WYZ281-182115-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....63-68.
24 hr trend......11 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......16 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.30 percent.
Transport winds.....North around 20 mph.
Mixing Height.......4600-6400 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......2 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....North around 10 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southwest.
Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......13 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......26 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph until 1500, then north. Gusts up
to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....54-59.
24 hr trend......5 degrees warmer.
Max humidity........61-67 percent.
24 hr trend......23 percent drier.
Humidity recovery...Good.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southwest.
Mixing Height.......3800-5800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......10 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds around 10 mph with higher
gusts.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. West
winds around 10 mph.
.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.
West winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy with chance of showers and
slight chance of thunderstorms. Lows in the mid 40s. Highs around
70. North winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 70s.
$$
WYZ282-182115-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......9 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....45-50.
24 hr trend......2 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......10 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2200-4200 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......4 degrees warmer.
Max humidity........52-58 percent.
24 hr trend......24 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southeast around 10 mph until 2400, then south.
Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......9 degrees warmer.
Min humidity........15-21 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 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......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs around 90.
Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows around
50. Highs in the upper 80s. West winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy with chance of showers and
slight chance of thunderstorms. Lows in the upper 40s. Highs in
the lower 70s. Northwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs 72 to 77.
$$
WYZ275-182115-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
50 percent.
Chance of thunder...30 percent.
Max temperature.....64-69.
24 hr trend......8 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......6600-8600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....45-50.
24 hr trend......Unchanged.
Max humidity........72-78 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph until 0300, then
southeast around 10 mph with gusts to around 15
mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......2400-4400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......9 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......10 percent drier.
20-foot winds.......Southeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......2000-4000 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......3 degrees warmer.
Max humidity........52-58 percent.
24 hr trend......19 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Downslope/downvalley 4-7 mph until 2400, then
south around 10 mph. Gusts up to 15 mph.
Ridge top winds.....East around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
80s. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs in the mid 80s. Northwest
winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy with chance of showers and
slight chance of thunderstorms. Lows in the mid 40s. Highs around
70. Northwest winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs 72 to 77.
$$
WYZ276-182115-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....64-69.
24 hr trend......13 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......23 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....North around 15 mph.
Mixing Height.......5000-6600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........69-75 percent.
24 hr trend......9 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2100, then southwest with
gusts to around 25 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
southwest.
Mixing Height.......1600-3600 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......12 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......17 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph with gusts to around 25 mph.
Ridge top winds.....Northeast 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....52-57.
24 hr trend......5 degrees warmer.
Max humidity........49-55 percent.
24 hr trend......21 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph until 2400, then
southwest. Gusts up to 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......7 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......5 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 9200-11200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest
winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
West winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers. Lows in the mid 40s.
Highs in the upper 70s. Northwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
lower 60s. Northwest winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the mid 40s. Highs 66 to 71.
$$
WYZ287-182115-
Owl Creek Mountains-
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
24 hr trend......12 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......24 percent wetter.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.35 percent.
Transport winds.....North around 15 mph.
Mixing Height.......4000-5400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....47-52.
24 hr trend......Unchanged.
Max humidity........74-80 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph with gusts to around
30 mph until 2100. Southwest and gusty after
2400.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then southwest.
Mixing Height.......1200-3200 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......13 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......23 percent drier.
20-foot winds.......South winds around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....53-58.
24 hr trend......6 degrees warmer.
Max humidity........45-51 percent.
24 hr trend......28 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......4000-6000 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....81-86.
24 hr trend......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......5 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds
around 10 mph.
.FRIDAY...Clear. Slight chance of showers. Lows in the mid 50s.
Highs in the lower 80s. Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
mid 40s. Highs in the upper 70s. West winds around 20 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
60s. North winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the mid 40s. Highs 64 to 69.
$$
WYZ286-182115-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....58-63.
24 hr trend......10 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......5400-7400 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......1 degree warmer.
Max humidity........74-80 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
west around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....68-73.
24 hr trend......9 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......17 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 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.......2800-4800 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......5 degrees warmer.
Max humidity........52-58 percent.
24 hr trend......23 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 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.......3600-5600 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......7 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......3 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph until 1500, then
around 20 mph. Gusts up to 35 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph until 1200, then southwest
around 30 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Good to very good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the upper 40s. Southwest
winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Chance of showers and slight chance of
snow showers. Lows in the upper 30s. Highs in the upper 60s. West
winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers, snow
showers and slight chance of thunderstorms. Lows in the mid 30s.
Highs in the mid 50s. West winds around 15 mph.
.MONDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the upper 30s. Highs in the upper 50s.
.TUESDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the lower 60s.
$$
WYZ140-182115-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms through the day. Some
thunderstorms may produce gusty winds and small
hail. Chance of precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......7 degrees cooler.
Min humidity........30-36 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......7600-9200 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......Unchanged.
Max humidity........76-82 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southwest.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......6 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......10 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Southwest 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 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......3 degrees warmer.
Max humidity........63-69 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......7 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph. Gusts up to 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
35 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight. Lows in the mid 40s. Winds generally less than 10 mph.
.FRIDAY...Mostly clear with 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 lower 30s. Highs in the lower 60s. Southwest winds
around 10 mph.
.SUNDAY...Partly cloudy with chance of showers, snow showers and
slight chance of thunderstorms. Lows around 30. Highs in the mid
50s. Southwest winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 30s. Highs 60 to 65.
$$
WYZ415-182115-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......7 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds around 15 mph with higher gusts.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......7200-9000 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......Unchanged.
Max humidity........71-77 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
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 around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southwest.
Mixing Height.......3400-5400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......5 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......8 percent drier.
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.....Southwest 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 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......3 degrees warmer.
Max humidity........59-65 percent.
24 hr trend......15 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest winds around 10 mph with gusts to
around 25 mph until 2400, then south with gusts
to around 15 mph until 0300, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......8 degrees warmer.
Min humidity........19-25 percent.
24 hr trend......5 percent drier.
20-foot winds.......South winds around 10 mph until 1200, then
southwest. Gusts up to 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 30 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. South
winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the lower
70s. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of snow showers. Lows in
the lower 30s. Highs in the mid 60s. Southwest winds around
10 mph.
.SUNDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the mid 50s. Southwest
winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 30s. Highs 60 to 65.
$$
WYZ416-182115-
West Wind River Mountains/East Zone Bridger Teton NF-
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny. Isolated showers and
thunderstorms. Some thunderstorms may produce
gusty winds and small hail. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....61-66.
24 hr trend......6 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......8000-9600 ft agl.
Smoke dispersal.....Very good to excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......2 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....65-70.
24 hr trend......5 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....Southwest 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 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....42-47.
24 hr trend......5 degrees warmer.
Max humidity........55-61 percent.
24 hr trend......20 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.....West around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then southwest.
Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....73-78.
24 hr trend......8 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......4 percent drier.
20-foot winds.......South winds 10 to 15 mph with gusts to around
40 mph until 1500, then southwest around 20 mph
with gusts to around 40 mph.
Ridge top winds.....South around 15 mph until 1200, then southwest
around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
30 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 10000-12000
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the mid
60s. West winds around 15 mph.
.SUNDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. West winds
around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 30s. Highs 58 to 63.
$$
WYZ288-182115-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail. Chance of precipitation
40 percent.
Chance of thunder...30 percent.
Max temperature.....63-68.
24 hr trend......8 degrees cooler.
Min humidity........27-33 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......7600-9600 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......1 degree cooler.
Max humidity........75-81 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph until 2400, then
downslope/downvalley 4-7 mph until 0300, then
west around 10 mph with gusts to around 15 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then west.
Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....69-74.
24 hr trend......7 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......10 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 20 mph
until 1200, then 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.......2400-4400 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......6 degrees warmer.
Max humidity........48-54 percent.
24 hr trend......31 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 200-800 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......8 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......4 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 45 mph until 1500, then around 20 mph
with gusts to around 45 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then around
25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 20 mph until 1200, then around
30 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Good to very good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows around 50. Highs in the mid 70s. Southwest
winds around 20 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Partly cloudy. Slight chance of showers and
snow showers. Lows in the upper 30s. Highs in the lower 60s. West
winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 30s. Highs 60 to 65.
$$
WYZ414-182115-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......8 degrees cooler.
Min humidity........29-35 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......7400-8800 ft agl.
Smoke dispersal.....Very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......1 degree cooler.
Max humidity........70-76 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....67-72.
24 hr trend......5 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......5 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......5 degrees warmer.
Max humidity........57-63 percent.
24 hr trend......14 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph until 2400, then south around 10 mph
with gusts to around 15 mph.
Ridge top winds.....Southwest around 15 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 2400, then south.
Mixing Height.......3200-5200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......9 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......9 percent drier.
20-foot winds.......South winds 10 to 15 mph with gusts to around
40 mph until 1500, then southwest with gusts to
around 40 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 30 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 10200-12200
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. South
winds around 10 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the mid 70s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the mid 30s. Highs in the mid 60s.
West winds around 15 mph.
.SUNDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
50s. West winds around 10 mph.
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the lower
60s.
.TUESDAY...Partly cloudy. Highs in the upper 60s.
$$
WYZ278-182115-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......7 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph.
Mixing Height.......10000-12000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......5 degrees cooler.
Max humidity........66-72 percent.
24 hr trend......13 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph until 2100, then around 10 mph
with gusts to around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then
northeast around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......4400-6400 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......4 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest 10 to 15 mph with gusts to around 25
mph until 1500, then west with gusts to around
25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....44-49.
24 hr trend......3 degrees warmer.
Max humidity........54-60 percent.
24 hr trend......14 percent drier.
Humidity recovery...Moderate.
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.....Northwest around 15 mph until 2400, then
northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then northeast.
Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......9 degrees warmer.
Min humidity........11-17 percent.
24 hr trend......5 percent drier.
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.....Southeast around 10 mph until 1200, then
southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph until 1200, then southwest
around 30 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 11400-13400
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows around 50. Southwest winds
around 10 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 30s. Highs in the upper 70s.
West winds around 20 mph.
.SUNDAY...Cooler. Mostly clear. Lows in the upper 30s. Highs in
the upper 60s. West winds around 10 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy. Lows in the upper 30s.
Highs 68 to 73.
$$
WYZ277-182115-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......8 degrees cooler.
Min humidity........19-25 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph.
Mixing Height.......8600-10400 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....43-48.
24 hr trend......4 degrees cooler.
Max humidity........63-69 percent.
24 hr trend......9 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph until 2100. Downslope/downvalley
4-7 mph after 2400.
Ridge top winds.....Northwest around 20 mph until 2400, then west
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then west
around 10 mph.
Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....71-76.
24 hr trend......5 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 7400-9400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....46-51.
24 hr trend......3 degrees warmer.
Max humidity........51-57 percent.
24 hr trend......9 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....West around 15 mph until 2400, then east.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then south.
Mixing Height.......3600-5600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....80-85.
24 hr trend......9 degrees warmer.
Min humidity........10-16 percent.
24 hr trend......7 percent drier.
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 10 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.......3200-5200 ft agl until 1200, then 11400-13400
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest
winds around 15 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
Southwest winds around 20 mph.
.SATURDAY...Clear. Lows in the mid 30s. Highs in the mid 70s.
West winds around 15 mph.
.SUNDAY...Mostly clear. Lows in the mid 30s. Highs in the mid
60s. Northwest winds around 10 mph.
.MONDAY...Mostly clear. Lows around 40. Highs in the upper 60s.
.TUESDAY...Partly cloudy. Highs in the lower 70s.
$$
WYZ279-182115-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....70-75.
24 hr trend......9 degrees cooler.
Min humidity........14-20 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 35 mph.
Ridge top winds.....Northwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 25 mph.
Mixing Height.......11600-13600 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......5 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 35 mph until 2400, then northeast around
10 mph with gusts to around 15 mph until 0300,
then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 20 mph until 2400, then north
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......4800-6800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......4 degrees warmer.
Min humidity........14-20 percent.
24 hr trend......1 percent drier.
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.....Southwest around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1200, then around 20
mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....50-55.
24 hr trend......4 degrees warmer.
Max humidity........43-49 percent.
24 hr trend......27 percent drier.
Humidity recovery...Moderate.
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 around 15 mph until 2400, then southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......4600-6600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......8 degrees warmer.
Min humidity........9-15 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
southwest around 20 mph after 1200. Gusts up to
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.......4000-6000 ft agl until 1200, then 13400-15400
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the upper 80s.
Southwest winds around 20 mph.
.SATURDAY...Clear. Lows in the mid 40s. Highs in the mid 80s.
Southwest winds around 20 mph.
.SUNDAY...Not as warm. Mostly clear. Lows in the lower 40s. Highs
in the mid 70s. West winds around 15 mph.
.MONDAY THROUGH TUESDAY...Mostly clear. Lows in the mid 40s.
Highs 74 to 79.
$$
WYZ289-182115-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms through the day. Some
thunderstorms may produce gusty winds and small
hail. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....66-71.
24 hr trend......11 degrees cooler.
Min humidity........24-30 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.15 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......9000-11000 ft agl.
Smoke dispersal.....Excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening. Some
thunderstorms may produce gusty winds and small
hail early in the evening. Chance of
precipitation 40 percent.
Chance of thunder...10 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds 10 to 15 mph with gusts to
around 30 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....North around 20 mph until 2400, then south
around 10 mph.
Mixing Height.......3200-5200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......8 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......14 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 8800-10800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......5 degrees warmer.
Max humidity........46-52 percent.
24 hr trend......36 percent drier.
Humidity recovery...Moderate.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph until 0300, 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.......4800-6800 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Good to very good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....83-88.
24 hr trend......9 degrees warmer.
Min humidity........8-14 percent.
24 hr trend......4 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 35 mph until 1500, then around 20 mph
with gusts to around 35 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then around
25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then around
25 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 12600-14600
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds around 10 mph.
.FRIDAY...Clear. Lows in the mid 50s. Highs in the mid 80s.
Southwest winds around 20 mph.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the mid 80s.
Southwest winds around 20 mph.
.SUNDAY...Not as warm. Mostly clear. Slight chance of showers.
Lows in the lower 40s. Highs in the lower 70s. West winds around
15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the mid 40s. Highs 71 to 76.
$$
WYZ300-182115-
Casper Mountain-
104 PM MDT Tue Jun 17 2025
.THIS AFTERNOON...
Sky/weather.........Partly cloudy. Scattered showers early in the
evening. Scattered thunderstorms through the
day. Numerous showers early in the evening.
Some thunderstorms may produce gusty winds and
small hail. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....62-67.
24 hr trend......14 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......26 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.35 percent.
Transport winds.....North around 20 mph.
Mixing Height.......4800-6800 ft agl.
Smoke dispersal.....Good to very good.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms early in the evening, then
isolated showers and thunderstorms early in the
evening. Some thunderstorms may produce gusty
winds and small hail early in the evening.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....45-50.
24 hr trend......1 degree cooler.
Max humidity........89-95 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northeast around 15 mph until 2400, then south.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....Northeast around 15 mph until 2400, then south.
Mixing Height.......1000-3000 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......10 degrees warmer.
Min humidity........21-27 percent.
24 hr trend......29 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.WEDNESDAY NIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....51-56.
24 hr trend......6 degrees warmer.
Max humidity........51-57 percent.
24 hr trend......40 percent drier.
Humidity recovery...Moderate.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
south around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South around 15 mph.
Mixing Height.......4200-6200 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Good until 2400, then poor.
.JUNETEENTH...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....82-87.
24 hr trend......10 degrees warmer.
Min humidity........13-19 percent.
24 hr trend......8 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......3000-5000 ft agl until 1200, then 11000-13000
ft agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.THURSDAY NIGHT...Partly cloudy. Lows around 60. South winds
around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs in the lower 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the lower 50s. Highs in the lower 80s.
Southwest winds around 20 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. West
winds around 15 mph.
.MONDAY THROUGH TUESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the mid 40s. Highs 68 to 73.
$$