Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

20°F

-7°C

Humidity 36%
Wind Speed NA NA MPH
Barometer NA
Dewpoint -3°F (-19°C)
Visibility NA
Last update 28 Dec 12:00 PM MST
Extended Forecast for

6 Miles WSW Windham MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 25. West southwest wind 8 to 10 mph.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a temperature falling to near 15 by 11pm, then rising to around 23 during the remainder of the night. Southwest wind around 10 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40. West wind around 11 mph, with gusts as high as 21 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. West southwest wind around 10 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind 7 to 9 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. West southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 25. West southwest wind 8 to 10 mph.
Tonight
Mostly clear, with a temperature falling to near 15 by 11pm, then rising to around 23 during the remainder of the night. Southwest wind around 10 mph.
Monday
Sunny, with a high near 40. West wind around 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 28. West southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 32. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 34. West southwest wind around 10 mph, with gusts as high as 18 mph.
New Year's Day
Partly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 51.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Saturday
A slight chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
9:56 am MST Dec 28, 2025
12pm 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