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

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Mostly Cloudy

18°F

-8°C

Humidity 72%
Wind Speed S 6 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 29 Dec 03:20 AM MST
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 15. South wind around 5 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

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

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a steady temperature around 26. South wind 3 to 6 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Light southeast wind.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. South wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Light south southeast wind.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. South wind 3 to 5 mph.

    Low: 24 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 15. South wind around 5 mph.
Monday
Sunny, with a high near 33. South wind 3 to 6 mph.
Monday Night
Increasing clouds, with a steady temperature around 26. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 41. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 24. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 44. Light south southeast wind.
Wednesday Night
Partly cloudy, with a low around 24. South wind 3 to 5 mph.
New Year's Day
Partly sunny, with a high near 44. Calm wind.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 47.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
11:47 pm MST Dec 28, 2025
3am 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