National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

18°F

-8°C

Humidity 72%
Wind Speed ESE 5 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 20 Jan 09:05 PM MST
Extended Forecast for

13 Miles E Shell WY

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -5. Northwest wind 5 to 9 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 15. Wind chill values as low as -5. North northwest wind 8 to 11 mph becoming west in the afternoon.

    High: 15 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Wind chill values as low as -5. West wind around 6 mph.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 15. Wind chill values as low as -5. West wind 6 to 10 mph.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around -2. West southwest wind around 6 mph.

    Low: -2 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before 11am. Partly sunny and cold, with a high near 8. West wind 5 to 8 mph.

    High: 8 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around -5. West wind around 6 mph.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 1.

    Low: 1 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 8. Wind chill values as low as -5. Northwest wind 5 to 9 mph.
Wednesday
Mostly sunny, with a high near 15. Wind chill values as low as -5. North northwest wind 8 to 11 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 5. Wind chill values as low as -5. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 15. Wind chill values as low as -5. West wind 6 to 10 mph.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around -2. West southwest wind around 6 mph.
Friday
A 30 percent chance of snow showers, mainly before 11am. Partly sunny and cold, with a high near 8. West wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around -5. West wind around 6 mph.
Saturday
Mostly sunny and cold, with a high near 10.
Saturday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 1.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 9.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Shell WY
 44.51°N 107.53°W (Elev. 8432 ft)
Last Update:
8:32 pm MST Jan 20, 2026
Forecast Valid:
9pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation