Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
198
FNUS55 KRIW 272016
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
216 PM MDT Wed Aug 27 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
The very moist and cool storm system continues to move NNE through
the dispatch area this afternoon and evening, wrapping storms and
precipitation from eastern ID into western WY. Scattered showers
with isolated thunderstorms are expected through about sunset this
evening, with additional localized precipitation of 0.10" to
0.50". Winds are relatively light, though gusts over 20 mph are
occurring in the southern parts of zones 414 and 416. Isolated
showers are possible through the night for zones 140 and 415, with
a return of scattered showers and isolated thunderstorms from
about 1100 to 1900 Thursday. Winds will be gusty at 20-30 mph Thu
afternoon at the higher locations as well as for most of zones 414
and 416.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Precipitation has been and is nicely covering zone 286 and
southward into the Wind River Basin with wetting rains for most
areas. Showers are moving northward into the southern Bighorn
Basin and will continue through the afternoon and evening to the
rest of northern WY. Showers will continue across northern WY
overnight. Isolated thunderstorms will continue across the
southern half of the dispatch area through sunset. Isolated to
scattered showers and thunderstorms will return late Thu morning
into Thu evening for most of the dispatch area, with the best
chances across the northern portions. Winds will be relatively
light for the next 30 hours, except for gusty west winds across
the southern Wind River Basin and Wind Rivers Thu afternoon.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Scattered showers and isolated thunderstorms will continue this
afternoon into the evening hours. Most areas will have received a
wetting rain by Thursday morning. Winds will remain generally
light, though gusts over 20 mph are possible around the
thunderstorms, and in northern zone 281 ahead of todays band of
showers. Overnight humidity recovery should be very good
overnight. Isolated to scattered showers and thunderstorms will
return to zones 285, 280, and 281 Thursday afternoon, with only
isolated chances for the rest of the dispatch area. SW into
southern and central WY will see gusty west winds Thursday
afternoon. Temperatures will remain below normal for the next
couple of days, and drier conditions return to SW WY Sunday into
Monday.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-282230-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers and scattered
thunderstorms. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....68-73.
24 hr trend......12 degrees cooler.
Min humidity........43-49 percent.
24 hr trend......36 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.50 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......2800-3600 ft agl.
Smoke dispersal.....Fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered thunderstorms in the
evening. Scattered showers through the night.
Isolated thunderstorms after midnight. Chance
of precipitation 50 percent.
Chance of thunder...40 percent.
Min temperature.....53-58.
24 hr trend......3 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.30 percent until 2400, then 5 percent.
Transport winds.....East around 15 mph until 2400, then west.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers in the morning, then numerous
showers and scattered thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....73-78.
24 hr trend......5 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 35 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms early in
the evening. Chance of showers in the evening.
Slight chance of thunderstorms late in the
evening. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....51-56.
24 hr trend......3 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....73-78.
24 hr trend......Unchanged.
Min humidity........37-43 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 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 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 7600-9600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. North winds
around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. North
winds around 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows 50 to 55. Highs
78 to 83. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs in the lower 80s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ283-282230-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers and scattered
thunderstorms. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....64-69.
24 hr trend......12 degrees cooler.
Min humidity........57-63 percent.
24 hr trend......37 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.45 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......3000-3800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous showers and scattered thunderstorms in
the evening, then isolated showers after
midnight. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....50-55.
24 hr trend......4 degrees cooler.
Max humidity........84-90 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. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then west.
Chc of wetting rain.25 percent until 2400, then 5 percent.
Transport winds.....North around 10 mph until 2400, then west.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Isolated thunderstorms in the morning.
Scattered showers through the day. Scattered
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....70-75.
24 hr trend......5 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.5 percent until 1200, then 15 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4600-6600 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Chance
of precipitation 40 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......2 degrees cooler.
Max humidity........70-76 percent.
24 hr trend......9 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 10 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....71-76.
24 hr trend......Unchanged.
Min humidity........35-41 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Fair to good.
.Forecast days 3 through 7......
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
in the mid 70s. Winds generally less than 10 mph.
.SUNDAY...Clear. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
75 to 80.
$$
WYZ285-282230-
South Bighorn Mountains-
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers early in the evening.
Scattered thunderstorms through the day.
Scattered showers early in the evening. Chance
of precipitation 60 percent.
Chance of thunder...40 percent.
Max temperature.....64-69.
24 hr trend......12 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......25 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.35 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......2200-3600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered thunderstorms in the
evening. Scattered showers through the night.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....50-55.
24 hr trend......4 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......17 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 20
mph.
Ridge top winds.....East 10 to 15 mph.
Chc of wetting rain.20 percent until 2400, then 10 percent.
Transport winds.....Northeast 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Scattered showers and isolated
thunderstorms in the morning, then numerous
showers and scattered thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....67-72.
24 hr trend......3 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.15 percent until 1200, then 55 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the
evening, then slight chance of showers after
midnight. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 15 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.35 percent until 2400, then zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......800-2800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers in the morning, then
chance of showers and slight chance of
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....66-71.
24 hr trend......1 degree cooler.
Min humidity........43-49 percent.
24 hr trend......7 percent drier.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......1600-3600 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 50. Northwest winds around
10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 50. Highs in the upper 60s.
North winds around 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the lower 50s.
Highs 72 to 77. West winds around 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 50. Highs in the mid 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 60s.
$$
WYZ281-282230-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Scattered showers and thunderstorms.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....73-78.
24 hr trend......9 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Southeast winds around 10 mph with higher
gusts.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....South around 15 mph.
Mixing Height.......4600-6600 ft agl.
Smoke dispersal.....Good.
.TONIGHT...
Sky/weather.........Cloudy. Scattered thunderstorms early in the
evening. Scattered showers through the night.
Isolated thunderstorms late in the evening.
Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....54-59.
24 hr trend......2 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......18 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southeast winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast 10 to 15 mph.
Chc of wetting rain.12 percent.
Transport winds.....Southwest around 15 mph until 2400, then
northeast.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Scattered showers in the
morning. Isolated thunderstorms late in the
morning, then numerous showers and scattered
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....69-74.
24 hr trend......1 degree cooler.
Min humidity........48-54 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southeast around 15 mph.
Chc of wetting rain.10 percent until 1200, then 50 percent.
Transport winds.....South around 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 3600-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Showers likely and chance of thunderstorms in
the evening, then slight chance of showers
after midnight. Chance of precipitation 70
percent.
Chance of thunder...40 percent.
Min temperature.....52-57.
24 hr trend......3 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast winds around 10 mph and gusty until
2100, then downslope/downvalley 4-7 mph.
Ridge top winds.....Northeast around 10 mph until 2400, then west.
Chc of wetting rain.55 percent until 2400, then zero percent.
Transport winds.....North around 15 mph until 2400, then northwest.
Mixing Height.......1400-3400 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers through the day. Slight
chance of thunderstorms early in the afternoon,
then chance of thunderstorms late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....68-73.
24 hr trend......2 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 25 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then chance of showers
after midnight. Lows in the lower 50s. Northwest winds around
10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
lower 70s. Winds generally less than 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the mid 50s.
Highs 80 to 85. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs around 80.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ282-282230-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Mostly cloudy. Scattered showers and
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...40 percent.
Max temperature.....68-73.
24 hr trend......12 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......23 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....East around 15 mph.
Mixing Height.......2600-3800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered thunderstorms in the
evening. Scattered showers through the night.
Isolated thunderstorms after midnight. Chance
of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....50-55.
24 hr trend......5 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......23 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2400, then south.
Chc of wetting rain.5 percent.
Transport winds.....North around 15 mph until 2400, then southeast.
Mixing Height.......800-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Scattered showers and isolated thunderstorms in
the morning, then numerous showers and
scattered thunderstorms in the afternoon.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....70-75.
24 hr trend......4 degrees warmer.
Min humidity........42-48 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then northwest.
Chc of wetting rain.5 percent until 1200, then 45 percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......1200-3200 ft agl until 1200, then 3800-5800 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......3 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 10 mph until 2400, then west.
Chc of wetting rain.25 percent until 2400, then zero percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......1 degree cooler.
Min humidity........36-42 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1200, then north.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5600-7600 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the mid 50s. Highs in
the upper 70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
77 to 82.
$$
WYZ275-282230-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Scattered showers and isolated
thunderstorms. Chance of precipitation 50
percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......9 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......14 percent wetter.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......2800-4800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers. Isolated
thunderstorms through the night. Isolated
showers early in the morning. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....50-55.
24 hr trend......4 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......25 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 15 mph until 2400, then south.
Chc of wetting rain.5 percent.
Transport winds.....North around 15 mph until 2400, then south.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Scattered showers and isolated
thunderstorms in the morning, then numerous
showers and scattered thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....68-73.
24 hr trend......Unchanged.
Min humidity........47-53 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then northwest.
Chc of wetting rain.5 percent until 1200, then 45 percent.
Transport winds.....South around 10 mph until 1200, then west.
Mixing Height.......800-2800 ft agl until 1200, then 3200-5200 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the
evening, then slight chance of showers after
midnight. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....48-53.
24 hr trend......2 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......5 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.35 percent until 2400, then 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Chance of showers through the day. Slight
chance of thunderstorms early in the afternoon,
then chance of thunderstorms late in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....67-72.
24 hr trend......1 degree cooler.
Min humidity........42-48 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 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.......1600-3600 ft agl until 1200, then 5800-7800 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the lower 50s. Northwest winds
around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Winds generally less than 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the mid 50s.
Highs 82 to 87. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 70s.
$$
WYZ276-282230-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Scattered showers and thunderstorms.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......10 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......14 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......3200-5000 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
evening. Scattered showers until early morning,
then isolated showers early in the morning.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....51-56.
24 hr trend......4 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......24 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.7 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
morning. Numerous showers through the day.
Scattered thunderstorms in the afternoon.
Chance of precipitation 70 percent.
Chance of thunder...50 percent.
Max temperature.....67-72.
24 hr trend......1 degree cooler.
Min humidity........50-56 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.10 percent until 1200, then 65 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 3200-4800 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......3 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 10 mph until 2400, then west.
Chc of wetting rain.25 percent until 2400, then 5 percent.
Transport winds.....Northwest around 10 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 600-1000 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers in the morning, then
chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....68-73.
24 hr trend......1 degree warmer.
Min humidity........40-46 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent until 1200, then 20 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
in the lower 70s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
Northwest winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
71 to 76.
$$
WYZ287-282230-
Owl Creek Mountains-
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers and scattered
thunderstorms. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....63-68.
24 hr trend......12 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......32 percent wetter.
20-foot winds.......Northeast winds around 10 mph with higher
gusts.
Ridge top winds.....Northeast around 15 mph.
Chc of wetting rain.30 percent.
Transport winds.....Northeast around 15 mph.
Mixing Height.......2000-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous showers and scattered
thunderstorms in the evening, then scattered
showers after midnight. Chance of precipitation
70 percent.
Chance of thunder...30 percent.
Min temperature.....50-55.
24 hr trend......5 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North around 15 mph until 2400, then southwest.
Chc of wetting rain.30 percent until 2400, then 5 percent.
Transport winds.....North around 15 mph until 2400, then west.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Scattered showers and isolated
thunderstorms in the morning, then numerous
showers and scattered thunderstorms in the
afternoon. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......4 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest around 10 mph until 1200, then north.
Chc of wetting rain.5 percent until 1200, then 50 percent.
Transport winds.....West around 10 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Chance
of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....48-53.
24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning, then chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....65-70.
24 hr trend......Unchanged.
Min humidity........41-47 percent.
24 hr trend......9 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northeast around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 1200, then
northeast.
Chc of wetting rain.Zero percent until 1200, then 15 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Northwest winds
around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 70. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and slight chance of thunderstorms. Lows in the lower 50s. Highs
70 to 75.
$$
WYZ286-282230-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and scattered thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...50 percent.
Max temperature.....59-64.
24 hr trend......10 degrees cooler.
Min humidity........51-57 percent.
24 hr trend......24 percent wetter.
20-foot winds.......East winds around 10 mph with higher gusts.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.70 percent.
Transport winds.....Southeast around 15 mph.
Mixing Height.......2000-3200 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Showers and scattered
thunderstorms in the evening, then scattered
showers and isolated thunderstorms after
midnight. Chance of precipitation 80 percent.
Chance of thunder...30 percent.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......8 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....East around 10 mph until 2400, then southwest.
Chc of wetting rain.30 percent until 2400, then 10 percent.
Transport winds.....Southeast around 10 mph until 2400, then west.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
morning. Showers through the day. Scattered
thunderstorms in the afternoon. Chance of
precipitation 90 percent.
Chance of thunder...50 percent.
Max temperature.....58-63.
24 hr trend......Unchanged.
Min humidity........56-62 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.30 percent until 1200, then 70 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2000-4000 ft agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of showers and slight chance of
thunderstorms in the evening, then slight
chance of showers after midnight. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....43-48.
24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......13 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.25 percent until 2400, then 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......1400-3400 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of showers in the morning, then
chance of showers and thunderstorms in the
afternoon. Chance of precipitation 50 percent.
Chance of thunder...30 percent.
Max temperature.....60-65.
24 hr trend......2 degrees warmer.
Min humidity........43-49 percent.
24 hr trend......16 percent drier.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent until 1200, then 30 percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6400-8400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers after midnight. Lows in the mid 40s. Winds generally less
than 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
Northwest winds around 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. Winds
generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the mid 40s. Highs 62 to 67.
$$
WYZ140-282230-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and scattered thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...50 percent.
Max temperature.....57-62.
24 hr trend......12 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......34 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.80 percent.
Transport winds.....Southeast around 10 mph.
Mixing Height.......1600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Scattered thunderstorms in the evening.
Showers through the night. Isolated
thunderstorms after midnight. Patchy fog in the
late evening and overnight. Chance of
precipitation 90 percent.
Chance of thunder...40 percent.
Min temperature.....45-50.
24 hr trend......2 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.60 percent.
Transport winds.....South around 10 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Cloudy. Patchy fog early in the morning.
Isolated thunderstorms in the morning. Showers
through the day. Scattered thunderstorms in the
afternoon. Chance of precipitation near 100
percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
24 hr trend......3 degrees warmer.
Min humidity........62-68 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.72 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Cloudy then becoming partly cloudy. Showers
likely and slight chance of thunderstorms in
the evening, then slight chance of showers
after midnight. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Min temperature.....40-45.
24 hr trend......3 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.35 percent until 2400, then 5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......1000-3000 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......3 degrees warmer.
Min humidity........39-45 percent.
24 hr trend......23 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent until 1200, then 10 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor until 1200, then good to very good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows around 40. Winds generally
less than 10 mph.
.SATURDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows around 40. Highs in the upper 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
Winds generally less than 10 mph.
.LABOR DAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs around 70.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms in the afternoon. Highs in the upper 60s.
$$
WYZ415-282230-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and numerous thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...70 percent.
Max temperature.....57-62.
24 hr trend......10 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......33 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.85 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......1800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Cloudy. Showers and scattered thunderstorms in
the evening. Numerous showers and isolated
thunderstorms after midnight. Patchy fog in the
late evening and overnight. Chance of
precipitation 90 percent.
Chance of thunder...50 percent.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.60 percent until 2400, then 35 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Isolated thunderstorms in the morning. Numerous
showers through the day. Scattered
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....61-66.
24 hr trend......4 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......21 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.40 percent until 1200, then 50 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Chance of showers in the
evening, then slight chance of showers after
midnight. Chance of precipitation 50 percent.
Chance of thunder...20 percent.
Min temperature.....40-45.
24 hr trend......3 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......10 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 10 mph until 2400, then south.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......2 degrees warmer.
Min humidity........44-50 percent.
24 hr trend......13 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Lows in the lower 40s. Winds
generally less than 10 mph.
.SATURDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 40s. Highs in the lower 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the upper 60s.
$$
WYZ416-282230-
West Wind River Mountains/East Zone Bridger Teton NF-
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and numerous thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...60 percent.
Max temperature.....55-60.
24 hr trend......8 degrees cooler.
Min humidity........68-74 percent.
24 hr trend......31 percent wetter.
20-foot winds.......Southwest winds around 10 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.85 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2200-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous showers and scattered
thunderstorms in the evening. Scattered showers
and isolated thunderstorms after midnight.
Patchy fog in the late evening and overnight.
Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....South around 10 mph.
Chc of wetting rain.45 percent until 2400, then 20 percent.
Transport winds.....West around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Isolated thunderstorms in the morning. Numerous
showers through the day. Scattered
thunderstorms in the afternoon. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Max temperature.....59-64.
24 hr trend......3 degrees warmer.
Min humidity........53-59 percent.
24 hr trend......18 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.10 percent until 1200, then 25 percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......800-2800 ft agl until 1200, then 3000-5000 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....38-43.
24 hr trend......2 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......16 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.....Northwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1600-3600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Chance of thunderstorms early in
the afternoon. Chance of showers in the
afternoon. Slight chance of thunderstorms late
in the afternoon. Chance of precipitation 40
percent.
Chance of thunder...30 percent.
Max temperature.....60-65.
24 hr trend......1 degree warmer.
Min humidity........41-47 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6200-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 40. Winds generally less than 10 mph.
.SATURDAY...Mostly clear with chance of showers and
thunderstorms. Lows around 40. Highs in the lower 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with chance of showers
and thunderstorms. Lows in the lower 40s. Highs 63 to 68.
$$
WYZ288-282230-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and numerous thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...60 percent.
Max temperature.....58-63.
24 hr trend......8 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......31 percent wetter.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.80 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2400-3800 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous showers and scattered
thunderstorms in the evening, then scattered
showers and isolated thunderstorms after
midnight. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....44-49.
24 hr trend......2 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest around 10 mph until 2400, then
southwest.
Chc of wetting rain.40 percent until 2400, then 5 percent.
Transport winds.....West around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Isolated thunderstorms in the
morning. Scattered showers through the day.
Scattered thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....62-67.
24 hr trend......4 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......19 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 around 15 mph.
Chc of wetting rain.5 percent until 1200, then 25 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....42-47.
24 hr trend......1 degree cooler.
Max humidity........67-73 percent.
24 hr trend......24 percent drier.
Humidity recovery...Good.
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.......1600-3600 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 40 percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......1 degree warmer.
Min humidity........39-45 percent.
24 hr trend......5 percent drier.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 5600-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then slight chance of
showers and thunderstorms after midnight. Lows in the mid 40s.
Winds generally less than 10 mph.
.SATURDAY...Partly cloudy with chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Winds
generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
60s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. Highs in the mid 60s.
$$
WYZ414-282230-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers and numerous thunderstorms.
Chance of precipitation 90 percent.
Chance of thunder...70 percent.
Max temperature.....56-61.
24 hr trend......8 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......27 percent wetter.
20-foot winds.......West winds around 10 mph and gusty.
Ridge top winds.....West around 10 mph.
Chc of wetting rain.80 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous showers and scattered
thunderstorms early in the evening, then
scattered showers and isolated thunderstorms in
the late evening and overnight. Patchy fog in
the late evening and overnight. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.40 percent until 2400, then 10 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Scattered showers through the day. Isolated
thunderstorms late in the morning, then
scattered thunderstorms in the afternoon.
Chance of precipitation 50 percent.
Chance of thunder...40 percent.
Max temperature.....62-67.
24 hr trend......4 degrees warmer.
Min humidity........51-57 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.10 percent until 1200, then 20 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1000-3000 ft agl until 1200, then 3600-5600 ft
agl.
Smoke dispersal.....Poor to fair.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
early in the evening. Slight chance of showers
in the evening. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Min temperature.....39-44.
24 hr trend......1 degree cooler.
Max humidity........79-85 percent.
24 hr trend......15 percent drier.
Humidity recovery...Excellent.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-1000 ft
agl.
Smoke dispersal.....Poor to fair.
.FRIDAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of showers and thunderstorms in
the afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......1 degree warmer.
Min humidity........39-45 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2000-4000 ft agl until 1200, then 6200-8200 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good.
.Forecast days 3 through 7......
.FRIDAY THROUGH SATURDAY...Mostly clear with slight chance of
showers and thunderstorms. Lows in the lower 40s. Highs in the
upper 60s. Winds generally less than 10 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.TUESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
.WEDNESDAY...Partly cloudy. Chance of showers and thunderstorms
in the afternoon. Highs around 70.
$$
WYZ277>279-282230-
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Evanston, Fort Bridger, Kemmerer,
Big Piney, Farson, Pinedale, Green River, Rock Springs,
and Wamsutter
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers and scattered
thunderstorms. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....61-66.
24 hr trend......7 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds around 15 mph with higher gusts.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.55 percent.
Transport winds.....West around 20 mph.
Mixing Height.......3400-5400 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers and thunderstorms in the
evening, then isolated showers and
thunderstorms after midnight. Chance of
precipitation 50 percent.
Chance of thunder...30 percent.
Min temperature.....45-50.
24 hr trend......3 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......7 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.....Southwest 10 to 15 mph.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated showers through the
day. Isolated thunderstorms in the late morning
and afternoon. Chance of precipitation 20
percent.
Chance of thunder...20 percent.
Max temperature.....63-68.
24 hr trend......3 degrees warmer.
Min humidity........46-52 percent.
24 hr trend......13 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 around 10 mph until 1200, then around 20
mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1400-3400 ft agl until 1200, then 5400-7400 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...10 percent.
Min temperature.....43-48.
24 hr trend......2 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......12 percent drier.
Humidity recovery...Excellent.
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 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2800-4800 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....64-69.
24 hr trend......1 degree warmer.
Min humidity........39-45 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, 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.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY 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.
.SATURDAY...Mostly clear with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds
generally less than 10 mph.
.SUNDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
Winds generally less than 10 mph.
.LABOR DAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Winds generally less than 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy with slight chance of
showers and thunderstorms. Lows in the upper 40s. Highs 73 to 78.
$$
WYZ289-282230-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Showers early in the evening. Scattered
thunderstorms through the day. Numerous showers
early in the evening. Chance of precipitation
90 percent.
Chance of thunder...50 percent.
Max temperature.....65-70.
24 hr trend......9 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......33 percent wetter.
20-foot winds.......Northwest winds around 10 mph with higher
gusts.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.70 percent.
Transport winds.....West around 15 mph.
Mixing Height.......3600-4800 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous showers and scattered thunderstorms in
the evening, then isolated showers and
thunderstorms after midnight. Chance of
precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....52-57.
24 hr trend......2 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph and gusty until 2100,
then downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 15 mph until 2400, then
southwest.
Chc of wetting rain.40 percent until 2400, then zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 2400, then 400-800 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Partly cloudy. Isolated showers in the morning.
Scattered showers late in the morning. Isolated
thunderstorms in the afternoon. Chance of
precipitation 50 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......3 degrees warmer.
Min humidity........35-41 percent.
24 hr trend......18 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 15 to 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 5000-7000 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the evening. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Min temperature.....49-54.
24 hr trend......2 degrees cooler.
Max humidity........72-78 percent.
24 hr trend......14 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph with gusts to around
25 mph until 2100, then downslope/downvalley
4-7 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......2200-4200 ft agl until 2400, then 400-600 ft
agl.
Smoke dispersal.....Fair to good until 2400, then poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms in the afternoon. Chance of
precipitation 20 percent.
Chance of thunder...20 percent.
Max temperature.....69-74.
24 hr trend......Unchanged.
Min humidity........32-38 percent.
24 hr trend......3 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, 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.......2000-4000 ft agl until 1200, then 6800-8800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. North winds
around 10 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
lower 70s. Winds generally less than 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the lower 50s.
Highs 74 to 79. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 70s.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms in the afternoon. Highs in the lower 70s.
$$
WYZ300-282230-
Casper Mountain-
216 PM MDT Wed Aug 27 2025
.THIS AFTERNOON...
Sky/weather.........Cloudy. Numerous showers and scattered
thunderstorms. Chance of precipitation 70
percent.
Chance of thunder...50 percent.
Max temperature.....62-67.
24 hr trend......12 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......43 percent wetter.
20-foot winds.......East winds around 10 mph and gusty.
Ridge top winds.....East around 15 mph.
Chc of wetting rain.70 percent.
Transport winds.....West around 15 mph.
Mixing Height.......2400-3400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous showers and scattered
thunderstorms in the evening, then scattered
showers and isolated thunderstorms after
midnight. Chance of precipitation 70 percent.
Chance of thunder...40 percent.
Min temperature.....51-56.
24 hr trend......2 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southeast around 10 mph.
Chc of wetting rain.50 percent until 2400, then 5 percent.
Transport winds.....Southwest around 10 mph.
Mixing Height.......600-2600 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly cloudy. Scattered showers and isolated
thunderstorms in the morning, then numerous
showers and scattered thunderstorms in the
afternoon. Chance of precipitation 60 percent.
Chance of thunder...40 percent.
Max temperature.....67-72.
24 hr trend......5 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
southwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.5 percent until 1200, then 30 percent.
Transport winds.....Southwest around 10 mph until 1200, then west
around 20 mph.
Mixing Height.......1200-3200 ft agl until 1200, then 4800-6800 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.THURSDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms early in
the evening. Chance of showers in the evening.
Slight chance of thunderstorms late in the
evening. Chance of precipitation 40 percent.
Chance of thunder...30 percent.
Min temperature.....49-54.
24 hr trend......2 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Southwest around 10 mph.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....West around 10 mph.
Mixing Height.......1800-3800 ft agl until 2400, then 200-600 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms in the afternoon.
Chance of precipitation 30 percent.
Chance of thunder...20 percent.
Max temperature.....68-73.
24 hr trend......Unchanged.
Min humidity........38-44 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft
agl.
Smoke dispersal.....Poor to fair until 1200, then good to very
good.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Winds generally
less than 10 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. Winds generally
less than 10 mph.
.SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the lower 50s.
Highs 71 to 76. Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers in the
morning, then chance of showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 60s.
$$