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

Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

15°F

-9°C

Humidity 69%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 20 Feb 07:53 PM MST
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. Light south southwest wind.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 34. Light and variable wind.

    High: 34 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 13. Light and variable wind.

    Low: 13 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 49. South wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 49 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 33. Southwest wind around 9 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 50. Southwest wind 8 to 16 mph, with gusts as high as 33 mph.

    High: 50 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 11pm, then a slight chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 10. Light south southwest wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 34. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 13. Light and variable wind.
Sunday
Mostly sunny, with a high near 42. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 25. South wind around 6 mph.
Monday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 49. South wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33. Southwest wind around 9 mph, with gusts as high as 22 mph.
Tuesday
Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 50. Southwest wind 8 to 16 mph, with gusts as high as 33 mph.
Tuesday Night
Rain and snow likely before 11pm, then a slight chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 42.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 29.
Friday
A chance of snow. Partly sunny, with a high near 47. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
6:02 pm MST Feb 20, 2026
Forecast Valid:
8pm MST Feb 20, 2026-6pm MST Feb 27, 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