Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

43°F

6°C

Humidity 65%
Wind Speed SE 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Dec 10:00 AM MST
Extended Forecast for

8 Miles S Shell WY

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 51. East northeast wind 3 to 7 mph.

    High: 51 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Mostly cloudy, with a low around 32. North wind 5 to 7 mph becoming west after midnight.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A 20 percent chance of snow before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 39. Light and variable wind becoming west southwest around 5 mph in the afternoon.

    High: 39 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. East southeast wind 6 to 8 mph becoming north after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Northwest wind around 7 mph becoming south southeast in the afternoon.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. East southeast wind 6 to 8 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Southeast wind around 7 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 51. East northeast wind 3 to 7 mph.
Tonight
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 32. North wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 39. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 29. East southeast wind 6 to 8 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 39. Northwest wind around 7 mph becoming south southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 30. East southeast wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 51. Southeast wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Shell WY
 44.41°N 107.76°W (Elev. 4905 ft)
8:02 am MST Dec 11, 2025
10am MST Dec 11, 2025-6pm MST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database