Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

25°F

-4°C

Humidity 85%
Wind Speed S 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 08 Dec 04:05 AM MST
Extended Forecast for

8 Miles S Shell WY

  • Today

    Today: Mostly sunny, with a high near 43. East southeast wind 6 to 8 mph becoming north in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 39 by 4am. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 5pm.  Mostly cloudy, with a high near 45. Southeast wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 32. North northwest wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of rain and snow before 11am, then a chance of rain.  Mostly cloudy, with a high near 45. Southeast wind around 7 mph becoming east northeast in the afternoon.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 34. North wind around 9 mph becoming west northwest after midnight.  Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow.  Mostly cloudy, with a high near 42. West northwest wind around 7 mph.  Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow.  Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A 20 percent chance of snow before 11am.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 43. East southeast wind 6 to 8 mph becoming north in the afternoon.
Tonight
Mostly cloudy, with a temperature rising to around 39 by 4am. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 45. Southeast wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 32. North northwest wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 45. Southeast wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 34. North wind around 9 mph becoming west northwest after midnight. Chance of precipitation is 50%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 42. West northwest wind around 7 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Friday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 31.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Shell WY
 44.41°N 107.76°W (Elev. 4905 ft)
2:51 am MST Dec 8, 2025
4am MST Dec 8, 2025-6pm MST Dec 14, 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