Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
614
FNUS55 KRIW 161109
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
509 AM MDT Thu Oct 16 2025
.DISCUSSION...
...Yellowstone NP and Teton dispatch areas (includes fire weather
zones 140...414...415...and 416)...
Colder and wetter conditions will continue as a system pushes
across the area today. Accumulating snow is expected in the
mountains, with a brief changeover to snow possible as low as
6,500 ft this morning. Breezy north to west winds will be seen
across the area, especially across zone 414. Precipitation mostly
comes to an end by midnight though with light mountain snow
possible through early Friday morning.
...Cody dispatch area (includes fire weather zones 275...276...
282...283...285...286...287...288...and 289)...
Colder and wetter conditions will continue as a system pushes
across the area today. Accumulating snow is expected in the
mountains, with a brief changeover to snow possible as low as
7,000 ft this morning. A gusty north wind will be seen in the
Bighorn Basin today. Precipitation will come to an end by around
midnight tonight.
...Casper dispatch area (includes fire weather zones 277...278...
279...280...281...285...289...and 300)...
Colder and wetter conditions will continue as a system pushes
across the area today. Accumulating snow is expected in the
mountains, with a brief changeover to snow possible as low as
6,500 ft this morning. A gusty wind will be seen across most
zones through the afternoon. Precipitation will come to an end
after sunset for zones west of the Continental Divide and by
midnight for zones east of the Divide.
...Thunderstorms imply strong gusty and erratic winds...
WYZ280-171315-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Showers and isolated
thunderstorms. Chance of precipitation 90
percent.
Chance of thunder...20 percent.
Max temperature.....44-49.
24 hr trend......14 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......7 percent wetter.
20-foot winds.......East winds around 10 mph until 0900, then
southwest until 1500, then west. Gusts up to 25
mph.
Ridge top winds.....South around 15 mph until 1200, then west.
Chc of wetting rain.65 percent until 1200, then 45 percent.
Transport winds.....Northeast around 15 mph until 1200, then west.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers early in the evening, then
scattered showers early in the evening.
Isolated showers late in the evening. Chance of
showers 40 percent.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......8 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....53-58.
24 hr trend......9 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......28 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the lower 30s. West winds around 10 mph.
.SATURDAY...Mostly clear. Chance of showers and snow showers.
Lows in the lower 30s. Highs in the upper 40s. West winds around
10 mph.
.SUNDAY...Warmer. Mostly clear. Slight chance of showers. Lows in
the upper 30s. Highs in the mid 60s. Southwest winds around
20 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the upper 40s. West
winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 30. Highs
49 to 54.
$$
WYZ283-171315-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Showers in the morning. Isolated thunderstorms
through the day. Numerous showers in the
afternoon. Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....41-46.
24 hr trend......15 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......22 percent wetter.
20-foot winds.......North winds 10 to 15 mph until 1500, then west.
Gusts up to 30 mph.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.55 percent until 1200, then 30 percent.
Transport winds.....North around 15 mph.
Mixing Height.......1000-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Isolated showers early in the evening.
Scattered showers early in the evening, then
isolated showers early in the evening. Patchy
fog in the late evening and early morning.
Chance of showers 50 percent.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......8 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....52-57.
24 hr trend......11 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......30 percent drier.
20-foot winds.......West winds 10 to 15 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.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Slight chance of showers after
midnight. Lows in the lower 30s. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs around 50.
West winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
mid 30s. Highs in the lower 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the mid 20s. Highs around 50. West winds around
10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 20s.
Highs 50 to 55.
$$
WYZ285-171315-
South Bighorn Mountains-
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Showers, snow showers and
isolated thunderstorms through the day. Patchy
fog late in the morning. Snow accumulation up
to 2 inches. Chance of precipitation near 100
percent.
Chance of thunder...20 percent.
Max temperature.....37-42.
24 hr trend......17 degrees cooler.
Min humidity........81-87 percent.
24 hr trend......22 percent wetter.
20-foot winds.......East winds 10 to 15 mph until 1200, then west.
Gusts up to 25 mph.
Ridge top winds.....Northeast around 15 mph until 1200, then west.
Chc of wetting rain.72 percent.
Transport winds.....North around 15 mph until 1200, then west.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Numerous snow showers and scattered showers in
the evening. Isolated showers and snow showers
after midnight. Snow accumulation up to 1 inch.
Chance of precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......5 degrees cooler.
Max humidity........90-96 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 40
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......200-1200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......9 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......37 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and snow showers
after midnight. Lows around 30. West winds around 10 mph.
.SATURDAY...Colder. Mostly clear. Chance of snow showers. Lows in
the lower 30s. Highs around 40. West winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. Southwest
winds around 20 mph.
.MONDAY...Colder. Partly cloudy with snow showers likely and
chance of showers. Lows in the mid 20s. Highs in the lower 40s.
West winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 30. Highs
42 to 47.
$$
WYZ281-171315-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Showers in the morning. Isolated
thunderstorms through the day. Numerous showers
in the afternoon. Chance of precipitation near
100 percent.
Chance of thunder...10 percent.
Max temperature.....41-46.
24 hr trend......12 degrees cooler.
Min humidity........80-86 percent.
24 hr trend......11 percent wetter.
20-foot winds.......North winds 10 to 15 mph with gusts to around
30 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.75 percent until 1200, then 65 percent.
Transport winds.....North around 20 mph.
Mixing Height.......1000-2000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Scattered showers early in the
evening, then isolated showers late in the
evening. Chance of showers 50 percent.
Chance of thunder...0 percent.
Min temperature.....34-39.
24 hr trend......5 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
southwest. Gusts up to 20 mph.
Ridge top winds.....West around 15 mph until 2400, then southwest.
Chc of wetting rain.20 percent until 2400, then zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-1800 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....55-60.
24 hr trend......15 degrees warmer.
Min humidity........41-47 percent.
24 hr trend......43 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
northwest. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then
northwest.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of showers in the
evening, then chance of showers after midnight. Lows in the lower
30s. Northwest winds around 10 mph.
.SATURDAY...Cooler. Mostly clear. Slight chance of showers and
snow showers. Lows in the lower 30s. Highs in the upper 40s. West
winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
upper 30s. Highs in the upper 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy. Chance of showers and slight
chance of snow showers. Lows in the upper 20s. Highs in the lower
50s. Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 30. Highs in the lower 50s.
.WEDNESDAY...Mostly sunny. Highs in the mid 50s.
$$
WYZ282-171315-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Showers and isolated thunderstorms in
the morning, then numerous showers in the
afternoon. Patchy fog early in the morning.
Chance of precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....39-44.
24 hr trend......3 degrees cooler.
Min humidity........81-87 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.50 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......1000-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers early in the evening. Patchy
fog early in the evening. Patchy fog after
midnight. Chance of showers 50 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......7 degrees cooler.
Max humidity........90-96 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.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....49-54.
24 hr trend......13 degrees warmer.
Min humidity........45-51 percent.
24 hr trend......34 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....South around 10 mph until 1200, then east.
Chc of wetting rain.Zero percent.
Transport winds.....South around 10 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers after midnight.
Lows in the lower 30s. Northwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the
upper 40s. East winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
upper 30s. Highs in the mid 60s. South winds around 10 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and slight
chance of snow showers. Lows in the upper 20s. Highs in the lower
50s. Northwest winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 20s.
Highs 49 to 54.
$$
WYZ275-171315-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Patchy fog early in the morning. Patchy
fog early in the morning. Scattered showers
early in the morning, then numerous showers
until late afternoon. Scattered showers late in
the afternoon. Chance of showers 70 percent.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......3 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northwest winds around 15 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 20 mph.
Chc of wetting rain.55 percent until 1200, then 35 percent.
Transport winds.....Northwest around 20 mph.
Mixing Height.......600-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers early in the evening.
Isolated showers late in the evening. Scattered
showers late in the evening. Patchy fog in the
evening. Chance of showers 50 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......5 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph until 2400, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....West around 10 mph until 2400, then southeast.
Chc of wetting rain.15 percent until 2400, then zero percent.
Transport winds.....West around 10 mph until 2400, then south.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......13 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......32 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then south
around 10 mph. Gusts up to 20 mph.
Ridge top winds.....South 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....South 10 to 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy with chance of showers. Lows in the
mid 30s. Northwest winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs around 50.
Southeast winds around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Chance of showers. Lows in the
mid 30s. Highs in the lower 60s. South winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and slight
chance of snow showers. Lows in the upper 20s. Highs in the lower
50s. Northwest winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 30. Highs around 50.
.WEDNESDAY...Mostly sunny. Highs in the lower 50s.
$$
WYZ276-171315-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Patchy fog early in the morning. Snow
showers in the morning. Numerous showers
through the day. No snow accumulation. Chance
of precipitation 80 percent.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......4 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......2 percent wetter.
20-foot winds.......North winds 10 to 15 mph with gusts to around
25 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.60 percent until 1200, then 15 percent.
Transport winds.....North around 20 mph.
Mixing Height.......800-2400 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers early in the evening.
Isolated showers early in the evening. Patchy
fog early in the evening. Chance of showers 40
percent.
Chance of thunder...0 percent.
Min temperature.....33-38.
24 hr trend......1 degree cooler.
Max humidity........81-87 percent.
24 hr trend......12 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
southwest 10 to 15 mph with gusts to around 35
mph until 0300, then west around 20 mph with
gusts to around 35 mph.
Ridge top winds.....Southwest 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....51-56.
24 hr trend......14 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......34 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 20 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers in the evening,
then chance of showers and snow showers after midnight. Lows in
the lower 30s. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 30s. Highs in the upper
40s. Southwest winds around 10 mph.
.SUNDAY...Warmer. Partly cloudy. Showers likely. Lows in the mid
30s. Highs in the lower 60s. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Northwest
winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 40s.
.WEDNESDAY...Mostly sunny. Highs in the lower 50s.
$$
WYZ287-171315-
Owl Creek Mountains-
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Numerous showers and snow showers. Snow
accumulation up to 2 inches. Chance of
precipitation 70 percent.
Chance of thunder...0 percent.
Max temperature.....36-41.
24 hr trend......10 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......11 percent wetter.
20-foot winds.......North winds 15 to 20 mph with gusts to around
35 mph.
Ridge top winds.....North around 20 mph.
Chc of wetting rain.55 percent until 1200, then 35 percent.
Transport winds.....North around 20 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered showers and snow showers early in the
evening, then isolated showers early in the
evening. Patchy fog after midnight. Chance of
precipitation 30 percent.
Chance of thunder...0 percent.
Min temperature.....29-34.
24 hr trend......3 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South winds around 10 mph until 2400, then
southwest. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......200-1600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....47-52.
24 hr trend......13 degrees warmer.
Min humidity........47-53 percent.
24 hr trend......34 percent drier.
20-foot winds.......Southwest winds around 10 mph until 1200, then
upslope/upvalley 5-9 mph until 1500, then
southeast around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1200, then
southeast.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of showers and snow showers
after midnight. Lows in the lower 30s. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 30s. Highs in the mid
40s. Southwest winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers and snow
showers. Lows in the mid 30s. Highs in the upper 50s. Southwest
winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the upper 20s. Highs in the mid 40s. Northwest
winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 30. Highs
44 to 49.
$$
WYZ286-171315-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog in the morning. Snow
showers in the morning. Numerous showers
through the day. Numerous snow showers and
isolated thunderstorms in the afternoon. Snow
accumulation up to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....35-40.
24 hr trend......9 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 20 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.60 percent until 1200, then 25 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers and showers early in the
evening, then isolated snow showers in the late
evening and early morning. Chance of
precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....27-32.
24 hr trend......3 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph. Gusts up to 25 mph
until 2400, then 35 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 20 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......5 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......21 percent drier.
20-foot winds.......West winds around 20 mph with gusts to around
40 mph.
Ridge top winds.....West around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of snow showers and showers
in the evening, then chance of snow showers after midnight. Lows
in the mid 20s. West winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs in the
upper 30s. West winds around 15 mph.
.SUNDAY...Partly cloudy. Snow showers and showers likely. Lows in
the upper 20s. Highs in the upper 40s. West winds around 20 mph.
.MONDAY...Colder. Partly cloudy. Snow showers likely and slight
chance of thunderstorms. Lows in the lower 20s. Highs in the mid
30s. West winds around 15 mph.
.TUESDAY...Partly cloudy. Lows in the mid 20s. Highs in the upper
30s.
.WEDNESDAY...Mostly sunny. Highs around 40.
$$
WYZ140-171315-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Cloudy. Patchy fog early in the morning.
Numerous showers in the morning. Numerous snow
showers through the day. Showers and isolated
thunderstorms in the afternoon. Snow
accumulation up to 1 inch. Chance of
precipitation 90 percent.
Chance of thunder...10 percent.
Max temperature.....35-40.
24 hr trend......8 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......9 percent wetter.
20-foot winds.......North winds around 10 mph with higher gusts.
Ridge top winds.....North around 15 mph.
Chc of wetting rain.22 percent.
Transport winds.....North around 15 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Partly cloudy. Scattered showers early in the
evening. Scattered snow showers early in the
evening. Isolated snow showers in the late
evening and overnight. Chance of precipitation
50 percent.
Chance of thunder...0 percent.
Min temperature.....23-28.
24 hr trend......7 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph. Gusts up to 15 mph
until 2400, then 25 mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....41-46.
24 hr trend......3 degrees warmer.
Min humidity........59-65 percent.
24 hr trend......17 percent drier.
20-foot winds.......Southwest winds 10 to 15 mph with gusts to
around 30 mph.
Ridge top winds.....Southwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and showers
in the evening, then chance of snow showers after midnight. Lows
in the lower 20s. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs around 40.
Southwest winds around 10 mph.
.SUNDAY...Partly cloudy. Snow showers and showers. Lows in the
mid 20s. Highs in the upper 40s. Southwest winds around 15 mph.
.MONDAY...Colder. Partly cloudy. Snow showers likely and slight
chance of thunderstorms. Lows around 17. Highs in the mid 30s.
West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 20. Highs
35 to 40.
$$
WYZ415-171315-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Cloudy. Patchy fog in the morning. Numerous
showers in the morning. Snow showers and
isolated thunderstorms through the day. Showers
in the afternoon. Snow accumulation up to 3
inches. Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......8 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
Chc of wetting rain.47 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy. Numerous snow showers and
showers in the evening. Scattered snow showers
and showers after midnight. Patchy fog after
midnight. Snow accumulation up to 1 inch.
Chance of precipitation 70 percent.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......6 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.10 percent until 2400, then zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......3 degrees warmer.
Min humidity........67-73 percent.
24 hr trend......19 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.....West 10 to 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of snow showers in
the evening, then chance of snow showers and slight chance of
showers after midnight. Lows in the mid 20s. Southwest winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the lower
40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Snow showers with showers likely. Lows
in the mid 20s. Highs in the upper 40s. Southwest winds around
10 mph.
.MONDAY...Colder. Mostly cloudy. Snow showers likely and slight
chance of thunderstorms. Lows around 18. Highs in the mid 30s.
West winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows around 19. Highs
36 to 41.
$$
WYZ416-171315-
West Wind River Mountains/East Zone Bridger Teton NF-
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly cloudy. Snow showers and isolated
thunderstorms through the day. Showers in the
afternoon. Patchy fog early in the morning.
Snow accumulation up to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....35-40.
24 hr trend......11 degrees cooler.
Min humidity........72-78 percent.
24 hr trend......29 percent wetter.
20-foot winds.......North winds around 10 mph and gusty until 1200,
then northwest with gusts to around 25 mph.
Ridge top winds.....North around 10 mph until 1200, then northwest
around 20 mph.
Chc of wetting rain.40 percent until 1200, then 50 percent.
Transport winds.....North around 10 mph until 1200, then northwest
around 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers and showers early in the
evening, then isolated snow showers early in
the evening. Patchy fog after midnight. Chance
of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....21-26.
24 hr trend......7 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph and gusty.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....38-43.
24 hr trend......4 degrees warmer.
Min humidity........63-69 percent.
24 hr trend......18 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.....Northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows in the lower 20s. West winds around 15 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the upper
30s. West winds around 10 mph.
.SUNDAY...Partly cloudy. Chance of snow showers and showers. Lows
in the mid 20s. Highs in the mid 40s. Southwest winds around
15 mph.
.MONDAY...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms. Lows around 17. Highs in the
lower 30s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows around 19. Highs in the mid 30s.
.WEDNESDAY...Mostly sunny. Highs in the upper 30s.
$$
WYZ288-171315-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog in the morning.
Showers in the morning. Snow showers and
isolated thunderstorms through the day.
Numerous showers in the afternoon. Snow
accumulation up to 5 inches. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......12 degrees cooler.
Min humidity........74-80 percent.
24 hr trend......23 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then north
around 10 mph until 1500, then northwest. Gusts
up to 20 mph.
Ridge top winds.....North 10 to 15 mph.
Chc of wetting rain.70 percent until 1200, then 45 percent.
Transport winds.....North around 10 mph until 1200, then northwest.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers and showers early in the
evening, then isolated snow showers early in
the evening. Chance of precipitation 50
percent.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......4 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......7 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......400-1600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....43-48.
24 hr trend......7 degrees warmer.
Min humidity........57-63 percent.
24 hr trend......23 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Chance of snow showers after
midnight. Lows in the upper 20s. West winds around 20 mph.
.SATURDAY...Mostly clear. Lows around 30. Highs in the lower 40s.
West winds around 15 mph.
.SUNDAY...Mostly clear. Chance of snow showers and showers. Lows
around 30. Highs around 50. Southwest winds around 20 mph.
.MONDAY...Colder. Partly cloudy with chance of snow showers and
slight chance of thunderstorms. Lows in the lower 20s. Highs in
the upper 30s. West winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 20s.
Highs 38 to 43.
$$
WYZ414-171315-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly cloudy. Patchy fog early in the morning.
Numerous snow showers in the morning. Showers
and isolated thunderstorms through the day.
Snow showers in the afternoon. Snow
accumulation up to 3 inches. Chance of
precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....36-41.
24 hr trend......11 degrees cooler.
Min humidity........78-84 percent.
24 hr trend......28 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.50 percent until 1200, then 35 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers and showers early in the
evening, then isolated showers early in the
evening. Isolated snow showers early in the
evening. Patchy fog in the late evening and
overnight. Chance of precipitation 50 percent.
Chance of thunder...0 percent.
Min temperature.....22-27.
24 hr trend......6 degrees cooler.
Max humidity........92-98 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest around 15 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Max temperature.....39-44.
24 hr trend......5 degrees warmer.
Min humidity........64-70 percent.
24 hr trend......21 percent drier.
20-foot winds.......West winds 10 to 15 mph with gusts to around 30
mph.
Ridge top winds.....West around 15 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of snow showers
after midnight. Lows in the mid 20s. West winds around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs in the mid
40s. Winds generally less than 10 mph.
.SUNDAY...Partly cloudy. Snow showers and showers likely. Lows in
the mid 20s. Highs in the lower 50s. Southwest winds around
10 mph.
.MONDAY...Colder. Partly cloudy. Chance of snow showers and
slight chance of thunderstorms. Lows around 20. Highs in the mid
30s. West winds around 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 20s. Highs in the
upper 30s.
.WEDNESDAY...Mostly sunny. Highs in the lower 40s.
$$
WYZ278-171315-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Numerous showers and snow
showers in the morning. Isolated thunderstorms
through the day. Scattered showers and snow
showers in the afternoon. Little or no snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....40-45.
24 hr trend......12 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......27 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph until 1500, then
west around 20 mph. Gusts up to 30 mph.
Ridge top winds.....Northwest 15 to 20 mph.
Chc of wetting rain.35 percent until 1200, then 10 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......600-2400 ft agl until 1200, then 2600-4400 ft
agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and snow
showers early in the evening. Chance of
precipitation 20 percent.
Chance of thunder...0 percent.
Min temperature.....24-29.
24 hr trend......8 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph with gusts to around 25
mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......800-2800 ft agl until 2400, then 600-800 ft
agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......4 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......13 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.....Northwest 15 to 20 mph.
Mixing Height.......400-2200 ft agl until 1200, then 2400-4200 ft
agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. West winds
around 10 mph.
.SATURDAY...Mostly clear. Lows in the mid 20s. Highs around 50.
Northwest winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and snow showers. Lows
in the upper 20s. Highs in the upper 50s. Southwest winds around
10 mph.
.MONDAY...Colder. Partly cloudy with chance of snow showers and
slight chance of showers. Lows around 19. Highs in the lower 40s.
Northwest winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 20. Highs
45 to 50.
$$
WYZ277-171315-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
509 AM MDT Thu Oct 16 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
.TODAY...
Sky/weather.........Mostly cloudy. Numerous showers and snow
showers in the morning. Isolated thunderstorms
through the day. Scattered showers and snow
showers in the afternoon. Little or no snow
accumulation. Chance of precipitation 70
percent.
Chance of thunder...20 percent.
Max temperature.....39-44.
24 hr trend......12 degrees cooler.
Min humidity........69-75 percent.
24 hr trend......33 percent wetter.
20-foot winds.......Northwest winds 15 to 20 mph with gusts to
around 30 mph.
Ridge top winds.....Northwest around 25 mph.
Chc of wetting rain.30 percent until 1200, then 5 percent.
Transport winds.....Northwest around 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers and snow
showers early in the evening. Patchy fog late
in the evening. Chance of precipitation 20
percent.
Chance of thunder...0 percent.
Min temperature.....25-30.
24 hr trend......6 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West winds 10 to 15 mph. Gusts up to 30 mph
until 2400, then 20 mph.
Ridge top winds.....West 15 to 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......6 degrees warmer.
Min humidity........48-54 percent.
24 hr trend......21 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. West winds
around 15 mph.
.SATURDAY...Mostly clear. Lows in the upper 20s. Highs in the
lower 50s. West winds around 10 mph.
.SUNDAY...Mostly clear. Chance of showers and snow showers. Lows
in the upper 20s. Highs in the lower 60s. Southwest winds around
15 mph.
.MONDAY...Colder. Partly cloudy with chance of snow showers and
showers. Lows in the lower 20s. Highs in the lower 40s. West
winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the lower 20s.
Highs 46 to 51.
$$
WYZ279-171315-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Showers and snow showers in the
morning. Isolated thunderstorms through the
day. Scattered showers and snow showers in the
afternoon. Snow accumulation up to 1 inch.
Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....40-45.
24 hr trend......15 degrees cooler.
Min humidity........67-73 percent.
24 hr trend......22 percent wetter.
20-foot winds.......Southwest winds 15 to 20 mph until 1200, then
west. Gusts up to 35 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.65 percent until 1200, then 15 percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....28-33.
24 hr trend......5 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds around 15 mph with gusts to around
30 mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......600-2400 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....44-49.
24 hr trend......6 degrees warmer.
Min humidity........55-61 percent.
24 hr trend......20 percent drier.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West 20 to 25 mph.
Mixing Height.......1400-3400 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Lows in the lower 30s. West winds
around 15 mph.
.SATURDAY...Clear. Lows around 30. Highs in the lower 50s. West
winds around 10 mph.
.SUNDAY...Mostly clear. Slight chance of showers. Lows in the
lower 30s. Highs around 60. Southwest winds around 15 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the lower 20s. Highs in the mid 40s. West winds
around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 20s.
Highs 46 to 51.
$$
WYZ289-171315-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Showers and snow showers in the
morning. Isolated thunderstorms through the
day. Numerous showers and snow showers in the
afternoon. Little or no snow accumulation.
Chance of precipitation near 100 percent.
Chance of thunder...20 percent.
Max temperature.....41-46.
24 hr trend......18 degrees cooler.
Min humidity........71-77 percent.
24 hr trend......24 percent wetter.
20-foot winds.......South winds 10 to 15 mph until 1200, then west.
Gusts up to 30 mph.
Ridge top winds.....South around 15 mph until 1200, then west.
Chc of wetting rain.65 percent until 1200, then 35 percent.
Transport winds.....West around 20 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor to fair.
.TONIGHT...
Sky/weather.........Partly cloudy. Isolated showers early in the
evening. Chance of showers 20 percent.
Chance of thunder...0 percent.
Min temperature.....31-36.
24 hr trend......7 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......5 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 30
mph.
Ridge top winds.....West around 20 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 20 mph.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....45-50.
24 hr trend......7 degrees warmer.
Min humidity........49-55 percent.
24 hr trend......26 percent drier.
20-foot winds.......Southwest winds around 20 mph with gusts to
around 35 mph.
Ridge top winds.....Southwest around 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Mostly clear. Slight chance of showers and snow
showers after midnight. Lows in the lower 30s. West winds around
15 mph.
.SATURDAY...Mostly clear. Slight chance of showers and snow
showers. Lows in the lower 30s. Highs in the upper 40s. West
winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Chance of showers. Lows in the
mid 30s. Highs in the upper 50s. Southwest winds around 20 mph.
.MONDAY...Cooler. Partly cloudy with chance of showers and snow
showers. Lows in the mid 20s. Highs in the mid 40s. West winds
around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 20s.
Highs 45 to 50.
$$
WYZ300-171315-
Casper Mountain-
509 AM MDT Thu Oct 16 2025
.TODAY...
Sky/weather.........Mostly cloudy. Showers in the morning.
Scattered snow showers and isolated
thunderstorms through the day. Scattered
showers in the afternoon. No snow accumulation.
Chance of precipitation 90 percent.
Chance of thunder...20 percent.
Max temperature.....42-47.
24 hr trend......20 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......26 percent wetter.
20-foot winds.......Northwest winds around 10 mph until 0900, then
southwest 15 to 20 mph. Gusts up to 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.60 percent until 1200, then 25 percent.
Transport winds.....Southwest 20 to 25 mph.
Mixing Height.......1600-3600 ft agl.
Smoke dispersal.....Fair to good.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Scattered snow showers and isolated showers in
the evening. Chance of precipitation 40
percent.
Chance of thunder...0 percent.
Min temperature.....30-35.
24 hr trend......8 degrees cooler.
Max humidity........85-91 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West winds 15 to 20 mph with gusts to around 35
mph.
Ridge top winds.....West 20 to 25 mph.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 25 mph.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy then becoming mostly sunny.
Chance of thunder...0 percent.
Max temperature.....46-51.
24 hr trend......4 degrees warmer.
Min humidity........50-56 percent.
24 hr trend......16 percent drier.
20-foot winds.......Southwest winds 15 to 20 mph. Gusts up to 45
mph until 1200, then 30 mph.
Ridge top winds.....Southwest 20 to 25 mph.
Chc of wetting rain.Zero percent.
Transport winds.....West around 25 mph.
Mixing Height.......1000-3000 ft agl.
Smoke dispersal.....Poor to fair.
.Forecast days 3 through 7......
.FRIDAY NIGHT...Partly cloudy. Slight chance of showers and snow
showers after midnight. Lows in the lower 30s. Southwest winds
around 15 mph.
.SATURDAY...Mostly clear. Chance of snow showers and showers.
Lows in the lower 30s. Highs around 40. West winds around 10 mph.
.SUNDAY...Warmer. Mostly clear. Slight chance of showers. Lows in
the upper 30s. Highs in the mid 50s. Southwest winds around
20 mph.
.MONDAY...Colder. Partly cloudy with chance of showers and snow
showers. Lows in the mid 20s. Highs in the mid 40s. West winds
around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 20s.
Highs 41 to 46.
$$