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

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

8°F

-13°C

Humidity 59%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint -4°F (-20°C)
Visibility NA
Last update 28 Dec 07:39 AM MST
Extended Forecast for

3 Miles S Roundup MT

  • Today

    Today: Sunny, with a high near 25. Calm wind.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Light south southwest wind becoming southwest 8 to 13 mph in the evening.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. Southwest wind around 14 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. West southwest wind 7 to 11 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. West southwest wind 6 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. West southwest wind 7 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. West southwest wind around 9 mph.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 51. Southwest wind around 7 mph.

    High: 51 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 25. Calm wind.
Tonight
Mostly clear, with a low around 14. Light south southwest wind becoming southwest 8 to 13 mph in the evening.
Monday
Mostly sunny, with a high near 43. Southwest wind around 14 mph.
Monday Night
Mostly cloudy, with a low around 27. West southwest wind 7 to 11 mph.
Tuesday
Partly sunny, with a high near 49. West southwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 31. West southwest wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 53. West southwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
New Year's Day
Partly sunny, with a high near 51. Southwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 31. Southwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 52. West southwest wind 6 to 9 mph.
Friday Night
Mostly cloudy, with a low around 26. West wind around 7 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 45. West wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Roundup MT
 46.41°N 108.55°W (Elev. 3399 ft)
6:51 am MST Dec 28, 2025
8am 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