Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
267
FNUS55 KRIW 170925
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
325 AM MDT Tue Jun 17 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Cooler temperatures across the area today, as a cold front moves
over the area this morning. Winds will turn more west-
northwesterly today, in the wake of the front. There is a 20-30%
chance for showers or a thunderstorm in the eastern half of zone
140 this afternoon. This activity should end/exit the area by
sunset. Dry conditions return Wednesday, as a warming trend
begins. RH recovery will be fair Wednesday night.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Cooler temperatures across the area today, as a cold front moves
over the area this morning. Winds will turn more west-
northwesterly today, in the wake of the front. Showers and
thunderstorms will be over zone 276 between 1200 and 1400,
spreading to the east-southeast across the rest of the dispatch
area through the afternoon. A strong or severe thunderstorm cannot
be ruled out in the Wind River Basin. Strong outflow wind, hail
and locally heavy rain will be the main threats. Isolated showers
will be possible in the evening, ending by midnight.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Cooler temperatures across the area today, as a cold front moves
over the area this morning. Winds will turn more west-
northwesterly today, in the wake of the front. Showers and
thunderstorms will occur over the eastern half of the dispatch
area this afternoon. A strong or severe thunderstorm cannot
be ruled out in zone 280. Strong outflow wind, hail and locally
heavy rain will be the main threats. Isolated showers will be
possible in the evening, ending by midnight.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-181130-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the morning, then showers
likely and chance of thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....65-70.
24 hr trend......11 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....North around 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Isolated 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......3 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 15 mph until 2400, then west.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....Northeast 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.....79-84.
24 hr trend......10 degrees warmer.
Min humidity........17-23 percent.
24 hr trend......25 percent drier.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 9000-11000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs around
90. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs around 90.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 80s. Southwest winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy. Slight chance of showers.
Lows in the mid 40s. Highs in the upper 70s.
.MONDAY...Partly cloudy. Slight chance of showers in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 70s.
$$
WYZ283-181130-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning. Chance of showers and thunderstorms in
the afternoon. Chance of precipitation 50
percent.
Chance of thunder...50 percent.
Max temperature.....68-73.
24 hr trend......8 degrees cooler.
Min humidity........37-43 percent.
24 hr trend......13 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
10 to 15 mph with gusts to around 30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....West around 15 mph until 1200, then northwest.
Mixing Height.......1600-3600 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......3 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......2 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.....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.......1600-3600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....79-84.
24 hr trend......9 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......18 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.......2200-4200 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. West winds
around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
lower 90s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the upper 50s. Highs around 90.
Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows around 50. Highs in the upper 80s.
Southwest winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy with slight chance of
showers. Lows in the mid 40s. Highs in the mid 70s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ285-181130-
South Bighorn Mountains-
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the morning, then
showers and chance of thunderstorms in the
afternoon. Chance of precipitation 90 percent.
Chance of thunder...50 percent.
Max temperature.....60-65.
24 hr trend......10 degrees cooler.
Min humidity........54-60 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Slight
chance of thunderstorms early in the evening.
Slight chance of showers in the evening.
Isolated 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.....45-50.
24 hr trend......2 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
west. Gusts up to 20 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.......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......27 percent drier.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. West winds around
10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the upper 50s.
Highs in the lower 80s. Southwest winds 10 to 15 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
upper 40s. Highs in the lower 80s. Southwest winds around 20 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers. Lows in
the lower 40s. Highs in the upper 60s.
.MONDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 60s.
$$
WYZ281-181130-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers in the morning. Chance of
thunderstorms through the day. Showers in the
afternoon. Chance of precipitation 80 percent.
Chance of thunder...50 percent.
Max temperature.....60-65.
24 hr trend......9 degrees cooler.
Min humidity........59-65 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northeast around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southeast around 15 mph until 1200, then north.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3400-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Slight
chance of thunderstorms early in the evening.
Slight chance of showers in the evening.
Isolated thunderstorms in the evening. Some
thunderstorms may produce gusty winds and small
hail in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....47-52.
24 hr trend......3 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then southwest.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North around 10 mph until 2400, then southwest.
Mixing Height.......1000-3000 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......12 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......30 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.....Southwest around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 8200-10200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. Winds generally
less than 10 mph.
.JUNETEENTH...Warmer. Mostly clear. Lows in the upper 50s. Highs
in the upper 80s. South 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. Lows in the
lower 50s. Highs in the upper 80s. Southwest 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.
.MONDAY...Partly cloudy. Chance of showers in the morning, then
slight chance of showers and thunderstorms in the afternoon.
Highs in the upper 60s.
$$
WYZ282-181130-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the morning, then
showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....63-68.
24 hr trend......8 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest 10 to 15 mph with higher gusts.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.7 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 4200-6200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly clear. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....44-49.
24 hr trend......3 degrees cooler.
Max humidity........77-83 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 25 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then south.
Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......11 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......21 percent drier.
20-foot winds.......Southeast winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph. Gusts up to 20 mph.
Ridge top winds.....South 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 7800-9800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. Winds generally
less than 10 mph.
.JUNETEENTH...Warmer. 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.
Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
lower 50s. Highs in the upper 80s. Southwest winds around 15 mph.
.SUNDAY...Not as warm. Partly cloudy with slight chance of
showers. Lows in the mid 40s. Highs in the lower 70s.
.MONDAY...Partly cloudy. Slight chance of showers in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 70s.
$$
WYZ275-181130-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
24 hr trend......7 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest around 10 mph until 1200, then around
20 mph.
Chc of wetting rain.5 percent.
Transport winds.....Northwest around 10 mph until 1200, then around
20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
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.....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.......1800-3800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....72-77.
24 hr trend......9 degrees warmer.
Min humidity........23-29 percent.
24 hr trend......14 percent drier.
20-foot winds.......Southeast winds around 10 mph until 1200, 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 southwest.
Mixing Height.......1800-3800 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. Winds generally
less than 10 mph.
.JUNETEENTH...Warmer. Mostly clear. Lows in the upper 50s. Highs
around 90. Southeast winds around 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
80s. Southwest 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. Lows
in the mid 40s. Highs in the lower 70s.
.MONDAY...Partly cloudy. Slight chance of showers in the morning,
then slight chance of showers and thunderstorms in the afternoon.
Highs in the lower 70s.
$$
WYZ276-181130-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the morning, then
showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....62-67.
24 hr trend......9 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....North 15 to 20 mph.
Chc of wetting rain.5 percent until 1200, then 40 percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....47-52.
24 hr trend......Unchanged.
Max humidity........68-74 percent.
24 hr trend......10 percent drier.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......11 degrees warmer.
Min humidity........22-28 percent.
24 hr trend......22 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South around 10 mph until 1200, then northeast.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. West winds around
10 mph.
.JUNETEENTH...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. West
winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
mid 40s. Highs in the lower 80s. Northwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers. Lows in
the lower 40s. Highs in the mid 60s.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the upper 60s.
$$
WYZ287-181130-
Owl Creek Mountains-
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers in the
morning, then showers and chance of
thunderstorms in the afternoon. Chance of
precipitation 80 percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......10 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
10 to 15 mph with gusts to around 25 mph.
Ridge top winds.....West around 15 mph until 1200, then north.
Chc of wetting rain.5 percent until 1200, then 45 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Slight
chance of thunderstorms early in the evening.
Slight chance of showers early in the evening.
Isolated 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.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 15 mph until 2100, then
southwest. Gusts up to 25 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 2400, then
southwest.
Mixing Height.......600-2600 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......12 degrees warmer.
Min humidity........20-26 percent.
24 hr trend......29 percent drier.
20-foot winds.......South winds around 10 mph with gusts to around
25 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 7000-9000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 50s. West winds around
10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the mid 50s.
Highs 81 to 86. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of showers. Lows in the
upper 40s. Highs in the lower 80s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers. Lows in
the lower 40s. Highs in the mid 60s.
.MONDAY...Partly cloudy. Chance of showers and thunderstorms in
the afternoon. Highs in the mid 60s.
$$
WYZ286-181130-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the morning, then
showers likely and chance of thunderstorms in
the afternoon. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....58-63.
24 hr trend......8 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 40 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
early in the evening. Isolated 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......Unchanged.
Max humidity........69-75 percent.
24 hr trend......6 percent drier.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 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.....67-72.
24 hr trend......7 degrees warmer.
Min humidity........24-30 percent.
24 hr trend......15 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.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1200, then around 25
mph.
Mixing Height.......2800-4800 ft agl until 1200, then 7800-9800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 40s. West winds
around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. Southwest winds around 10 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 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 lower 70s. West
winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the mid 30s. Highs in the mid 50s.
.MONDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 50s.
$$
WYZ140-181130-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Patchy fog early in the morning.
Slight chance of showers and thunderstorms in
the morning. Chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....61-66.
24 hr trend......6 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest 10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......1 degree warmer.
Max humidity........72-78 percent.
24 hr trend......8 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......2600-4600 ft agl until 2400, then 200-600 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........23-29 percent.
24 hr trend......12 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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. Winds generally
less than 10 mph.
.JUNETEENTH...Partly cloudy. Slight chance of showers. Lows in
the mid 40s. Highs in the mid 70s. 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...Partly cloudy. Chance of showers and snow showers.
Lows in the mid 30s. Highs in the mid 60s. Southwest winds around
10 mph.
.SUNDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows around 30. Highs in the lower 50s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 50s.
$$
WYZ415-181130-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers late in
the morning. Slight chance of thunderstorms
early in the afternoon, then chance of showers
and thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....61-66.
24 hr trend......6 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3400-5400 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....38-43.
24 hr trend......1 degree cooler.
Max humidity........68-74 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 2400, then south.
Mixing Height.......3000-5000 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.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........27-33 percent.
24 hr trend......9 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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7000-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 40s. Winds generally
less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows 43 to 48. Highs
73 to 78. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Slight chance of snow showers. Lows in
the mid 30s. Highs in the upper 60s. Southwest winds around
10 mph.
.SUNDAY...Cooler. Partly cloudy with chance of snow showers and
slight chance of showers. Lows in the lower 30s. Highs in the mid
50s.
.MONDAY...Mostly sunny. Highs around 60.
$$
WYZ416-181130-
West Wind River Mountains/East Zone Bridger Teton NF-
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
showers and thunderstorms early in the
afternoon, then slight chance of showers and
thunderstorms late in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....58-63.
24 hr trend......6 degrees cooler.
Min humidity........28-34 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds west
around 20 mph after 1500. Gusts up to 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 1200, then 8000-9800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear. Isolated showers early in the
evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....37-42.
24 hr trend......3 degrees cooler.
Max humidity........68-74 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Good.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......3200-5200 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.....63-68.
24 hr trend......4 degrees warmer.
Min humidity........25-31 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 around 10 mph until 1200, then west
around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph until 1200, then west
around 25 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 40s. West winds
around 10 mph.
.JUNETEENTH THROUGH FRIDAY...Mostly clear. Lows in the mid 40s.
Highs 71 to 76. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs around 70.
Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the upper 50s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the upper 50s.
$$
WYZ288-181130-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the morning. Slight chance of showers late
in the morning, then chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....60-65.
24 hr trend......7 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.7 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3200-5200 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then 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...20 percent.
Min temperature.....40-45.
24 hr trend......2 degrees cooler.
Max humidity........69-75 percent.
24 hr trend......1 percent drier.
Humidity recovery...Good.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2600-4600 ft agl until 2400, then 200-800 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........26-32 percent.
24 hr trend......8 percent drier.
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 around 15 mph until 1200, then around 25
mph.
Mixing Height.......2200-4200 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......
.WEDNESDAY NIGHT...Clear. Lows in the upper 40s. West winds
around 10 mph.
.JUNETEENTH...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Southwest winds around 10 mph.
.FRIDAY...Clear. Lows in the lower 50s. Highs in the mid 70s.
Southwest winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Southwest winds around 15 mph.
.SUNDAY...Cooler. Partly cloudy with slight chance of showers and
snow showers. Lows in the upper 30s. Highs in the lower 60s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Highs in the lower 60s.
$$
WYZ414-181130-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....61-66.
24 hr trend......7 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph. Gusts up to 25 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......3600-5600 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Good until 1200, then very good to excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....39-44.
24 hr trend......2 degrees cooler.
Max humidity........65-71 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest 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.....West 10 to 15 mph.
Mixing Height.......3200-5200 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.....66-71.
24 hr trend......5 degrees warmer.
Min humidity........25-31 percent.
24 hr trend......6 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.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......2400-4400 ft agl until 1200, then 7000-8600 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 40s. Winds generally
less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Clear. Lows 45 to 50. Highs 75 to
80. Southwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
70s. West winds around 15 mph.
.SUNDAY...Cooler. Mostly clear with slight chance of showers.
Lows in the lower 30s. Highs in the upper 50s.
.MONDAY...Mostly sunny. Highs in the lower 60s.
$$
WYZ278-181130-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....65-70.
24 hr trend......6 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
northwest around 20 mph after 1200. Gusts up to
25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......4400-6400 ft agl until 1200, then 9800-11800 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....40-45.
24 hr trend......5 degrees cooler.
Max humidity........62-68 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Good.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then around
10 mph.
Mixing Height.......4200-6200 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.....72-77.
24 hr trend......4 degrees warmer.
Min humidity........16-22 percent.
24 hr trend......3 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.....West around 10 mph until 1200, then 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 8000-10000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the mid 40s. Winds generally
less than 10 mph.
.JUNETEENTH...Warmer. Mostly clear. Lows around 50. Highs in the
mid 80s. 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 lower 80s.
Southwest winds around 15 mph.
.SUNDAY THROUGH MONDAY...Mostly clear. Lows in the mid 30s. Highs
66 to 71.
$$
WYZ277-181130-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....66-71.
24 hr trend......7 degrees cooler.
Min humidity........21-27 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
northwest around 20 mph after 1200. Gusts up to
25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......4200-6200 ft agl until 1200, then 9400-11400 ft
agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Clear.
Chance of thunder...0 percent.
Min temperature.....41-46.
24 hr trend......5 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Good.
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.....West 10 to 15 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.....73-78.
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 20 mph.
Ridge top winds.....West 10 to 15 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 8000-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then very good to
excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the upper 40s. Winds generally
less than 10 mph.
.JUNETEENTH THROUGH FRIDAY...Clear. Lows 48 to 53. Highs 82 to
87. Southwest winds 10 to 15 mph.
.SATURDAY...Clear. Lows in the upper 30s. Highs in the upper 70s.
West winds around 15 mph.
.SUNDAY THROUGH MONDAY...Mostly clear. Lows in the mid 30s. Highs
66 to 71.
$$
WYZ279-181130-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of showers early
in the afternoon. Slight chance of
thunderstorms late in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Max temperature.....69-74.
24 hr trend......8 degrees cooler.
Min humidity........15-21 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900. Winds
northwest around 20 mph with gusts to around 30
mph after 1500.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 20 to 25 mph.
Mixing Height.......4000-6000 ft agl until 1200, then 11200-13200
ft agl.
Smoke dispersal.....Good until 1200, then excellent.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min temperature.....45-50.
24 hr trend......6 degrees cooler.
Max humidity........59-65 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Good.
20-foot winds.......Northwest winds around 20 mph with gusts to
around 30 mph until 2100, then north 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 west
around 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 20 mph until 2400, then
northeast around 10 mph.
Mixing Height.......5000-7000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Very good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Sunny.
Chance of thunder...0 percent.
Max temperature.....76-81.
24 hr trend......4 degrees warmer.
Min humidity........15-21 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 20 mph.
Ridge top winds.....West 10 to 15 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 8600-10600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 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 mid 50s. Highs in the upper 80s.
Southwest winds around 15 mph.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the mid 80s.
Southwest winds around 20 mph.
.SUNDAY THROUGH MONDAY...Mostly clear. Lows in the lower 40s.
Highs in the mid 70s.
$$
WYZ289-181130-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....66-71.
24 hr trend......10 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......2800-4800 ft agl until 1200, then 7200-9200 ft
agl.
Smoke dispersal.....Fair to good until 1200, then very good to
excellent.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
early in the evening. Isolated 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.....46-51.
24 hr trend......4 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......1 percent wetter.
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.....North around 15 mph until 2400, then west.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2400, then south.
Mixing Height.......2400-4400 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....75-80.
24 hr trend......7 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.....Southwest 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 8400-10400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then excellent.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 10 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southwest winds around 10 mph.
.FRIDAY THROUGH SATURDAY...Clear. Lows 51 to 56. Highs 84 to 89.
Southwest winds 15 to 20 mph.
.SUNDAY...Not as warm. Mostly clear. Slight chance of showers.
Lows in the lower 40s. Highs in the lower 70s.
.MONDAY...Mostly sunny. Highs in the lower 70s.
$$
WYZ300-181130-
Casper Mountain-
325 AM MDT Tue Jun 17 2025
.TODAY...
Sky/weather.........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the morning, then
showers and chance of thunderstorms in the
afternoon. Some thunderstorms may be severe in
the afternoon. Chance of precipitation 80
percent.
Chance of thunder...50 percent.
Max temperature.....60-65.
24 hr trend......11 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......21 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph until 1500, then
northeast. Gusts up to 25 mph.
Ridge top winds.....South around 15 mph until 1200, then north.
Chc of wetting rain.10 percent until 1200, then 45 percent.
Transport winds.....Southwest around 15 mph until 1200, then
northwest.
Mixing Height.......1200-3200 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers and
thunderstorms in the evening. Patchy fog early
in the morning. Some thunderstorms may be
severe. Some thunderstorms may be severe with
gusty winds and small hail. Chance of
precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....44-49.
24 hr trend......4 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 0300, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....North around 10 mph until 2400, then southwest.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....Northeast around 10 mph until 2400, then
southwest.
Mixing Height.......400-2400 ft agl until 2400, then 200-400 ft
agl.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max temperature.....74-79.
24 hr trend......8 degrees warmer.
Min humidity........18-24 percent.
24 hr trend......27 percent drier.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 15 mph
until 1200, then 25 mph.
Ridge top winds.....West 10 to 15 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.
.Forecast days 3 through 7......
.WEDNESDAY NIGHT...Clear. Lows in the lower 50s. Winds generally
less than 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 53 to 58. Highs in the
lower 80s. Southwest winds around 15 mph.
.SUNDAY...Mostly clear. Slight chance of showers. Lows in the mid
40s. Highs in the lower 70s.
.MONDAY...Partly cloudy. Highs in the upper 60s.
$$