National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

36°F

2°C

Humidity 49%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 29 Dec 02:53 PM MST
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Southwest wind 3 to 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. South southwest wind around 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. South southwest wind around 5 mph becoming calm in the morning.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South southwest wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 44. Light south wind.

    High: 44 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. South southwest wind 3 to 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 47. South southwest wind 5 to 7 mph.

    High: 47 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 27. South southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 45. South southwest wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 29. South southwest wind around 6 mph.
New Year's Day
Mostly cloudy, with a high near 44. Light south wind.
Thursday Night
Mostly cloudy, with a low around 32. South southwest wind 3 to 5 mph.
Friday
Mostly cloudy, with a high near 47. South southwest wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
1:07 pm MST Dec 29, 2025
Forecast Valid:
3pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation