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

22°F

-6°C

Humidity 51%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 29 Dec 01:00 AM MST
Extended Forecast for

6 Miles WSW Windham MT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 27. West wind around 10 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. West wind around 11 mph, with gusts as high as 20 mph.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a steady temperature around 33. West wind 8 to 10 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind around 8 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 55. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. West southwest wind 7 to 9 mph.

    Low: 32 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 52. Southwest wind around 7 mph.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 27. West wind around 10 mph.
Monday
Sunny, with a high near 43. West wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a steady temperature around 33. West wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 49. Southwest wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 33. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 55. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 32. West southwest wind 7 to 9 mph.
New Year's Day
Partly sunny, with a high near 52. Southwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 51.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
11:47 pm MST Dec 28, 2025
1am MST Dec 29, 2025-6pm MST Jan 4, 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