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

PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

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Current conditions at

Helena Regional Airport (KHLN)

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

Partly Cloudy

5°F

-15°C

Humidity 84%
Wind Speed SW 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 29 Nov 05:20 AM MST
Extended Forecast for

Helena MT

  • Today

    Today: Mostly sunny, with a high near 20. Wind chill values as low as -5. Light and variable wind.

    High: 20 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 25. Calm wind.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. Southwest wind around 6 mph.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. South southwest wind 3 to 6 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. South southwest wind 6 to 10 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow. High near 34. South southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm after midnight.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 20. Wind chill values as low as -5. Light and variable wind.
Tonight
Mostly cloudy, with a low around 6. Calm wind.
Sunday
Sunny, with a high near 25. Calm wind.
Sunday Night
Partly cloudy, with a low around 11. Southwest wind around 6 mph.
Monday
Partly sunny, with a high near 34. South southwest wind 3 to 6 mph.
Monday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 23. South southwest wind 6 to 10 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 34. South southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 17. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
Last Update:
4:22 am MST Nov 29, 2025
Forecast Valid:
5am MST Nov 29, 2025-6pm MST Dec 5, 2025
 
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