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 >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Partly Cloudy

25°F

-4°C

Humidity 58%
Wind Speed NW 20 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 27 Dec 07:05 PM MST
Extended Forecast for

14 Miles SW Otto WY

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Wind chill values as low as -5. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.

    Low: 10 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as zero. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. South southwest wind 3 to 5 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. South southeast wind 3 to 6 mph.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. South wind around 5 mph becoming calm  in the evening.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. South southwest wind around 5 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Wind chill values as low as -5. Blustery, with a north northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as zero. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 8. South southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 33. South southeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 17. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 39. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 20. South southwest wind around 5 mph.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 22.
New Year's Day
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Otto WY
 44.23°N 108.43°W (Elev. 4731 ft)
6:02 pm MST Dec 27, 2025
7pm MST Dec 27, 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