Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Overcast

39°F

4°C

Humidity 64%
Wind Speed S 6 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 09 Dec 10:30 AM MST
Extended Forecast for

Manderson WY

  • Today

    Today: A 30 percent chance of rain, mainly between noon and 3pm.  Mostly cloudy, with a high near 49. Southeast wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of snow after 4am.  Mostly cloudy, with a low around 30. Northwest wind 7 to 11 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and noon.  Partly sunny, with a high near 50. East northeast wind 5 to 7 mph becoming south southeast in the morning.  Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 29. Southeast wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 52. Southeast wind 5 to 7 mph becoming northeast in the afternoon.

    High: 52 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 2am, then a slight chance of snow after 2am.  Mostly cloudy, with a low around 19. Northwest wind 7 to 11 mph.  Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 39. Northwest wind around 6 mph becoming calm.

    High: 39 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly between noon and 3pm. Mostly cloudy, with a high near 49. Southeast wind 6 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a low around 30. Northwest wind 7 to 11 mph becoming south southeast after midnight. Winds could gust as high as 22 mph.
Wednesday
A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and noon. Partly sunny, with a high near 50. East northeast wind 5 to 7 mph becoming south southeast in the morning. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 29. Southeast wind around 7 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 52. Southeast wind 5 to 7 mph becoming northeast in the afternoon.
Thursday Night
A slight chance of rain before 8pm, then a slight chance of rain and snow between 8pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 19. Northwest wind 7 to 11 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 39. Northwest wind around 6 mph becoming calm.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Manderson WY
 44.26°N 107.95°W (Elev. 3999 ft)
9:18 am MST Dec 9, 2025
10am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database