Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

South Big Horn County Airport (KGEY)

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

Overcast

16°F

-9°C

Humidity 61%
Wind Speed WNW 21 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 28 Dec 01:05 AM MST
Extended Forecast for

Greybull WY

  • Overnight

    Overnight: Mostly clear, with a low around 10. Wind chill values as low as zero. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 25. Wind chill values as low as zero. West wind 5 to 7 mph becoming calm  in the morning.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6. Light southeast wind.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35. Calm wind becoming south southeast around 5 mph.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Light southeast wind.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. Light south southeast wind.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Light southeast wind.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Wind chill values as low as zero. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 25. Wind chill values as low as zero. West wind 5 to 7 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 6. Light southeast wind.
Monday
Sunny, with a high near 35. Calm wind becoming south southeast around 5 mph.
Monday Night
Partly cloudy, with a low around 14. Light southeast wind.
Tuesday
Partly sunny, with a high near 39. Light south southeast wind.
Tuesday Night
Mostly clear, with a low around 17. Light southeast wind.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 20.
New Year's Day
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Greybull WY
 44.49°N 108.04°W (Elev. 3973 ft)
11:31 pm MST Dec 27, 2025
1am MST Dec 28, 2025-6pm MST Jan 3, 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