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 SE 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 20 Jan 09:20 PM MST
Extended Forecast for

Greybull WY

  • Tonight

    Tonight: Mostly clear, with a low around 11. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 11 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Light and variable wind.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Light northwest wind increasing to 5 to 10 mph in the morning.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4. Northwest wind 6 to 9 mph.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 21. Northwest wind 5 to 8 mph.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0. Northwest wind 5 to 7 mph becoming light and variable  in the evening.

    Low: 0 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 11. Light and variable wind becoming southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 32. Calm wind becoming northwest 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 8. Light and variable wind.
Thursday
Mostly sunny, with a high near 28. Light northwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 4. Northwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 21. Northwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 0. Northwest wind 5 to 7 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
9:31 pm MST Jan 20, 2026
9pm MST Jan 20, 2026-6pm MST Jan 27, 2026
 
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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