Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Partly Cloudy

41°F

5°C

Humidity 75%
Wind Speed ESE 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 10 Dec 05:20 PM MST
Extended Forecast for

Manderson WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Southeast wind 6 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 4pm.  Partly sunny, with a high near 52. Southeast wind around 6 mph becoming west southwest in the afternoon.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain showers before 2am, then a slight chance of rain and snow showers.  Mostly cloudy, with a low around 24. Northwest wind around 6 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 40. Light and variable wind.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. Calm wind becoming southeast around 6 mph after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West southwest wind around 5 mph becoming northeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20. East northeast wind around 6 mph becoming south southeast in the evening.

    Low: 20 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. Southeast wind 6 to 8 mph.
Thursday
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 52. Southeast wind around 6 mph becoming west southwest in the afternoon.
Thursday Night
A slight chance of rain showers before 2am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 24. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 40. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 21. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 44. West southwest wind around 5 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 20. East northeast wind around 6 mph becoming south southeast in the evening.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Manderson WY
 44.26°N 107.95°W (Elev. 3999 ft)
5:18 pm MST Dec 10, 2025
5pm MST Dec 10, 2025-6pm MST Dec 17, 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