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

Helena Regional Airport (KHLN)

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

Clear

73°F

23°C

Humidity 17%
Wind Speed W 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 24 May 07:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 47. West northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 47 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 85. Light and variable wind becoming east 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Light and variable wind becoming east southeast 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. South wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. West northwest wind 5 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 49. North northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Memorial Day
Mostly sunny, with a high near 85. Light and variable wind becoming east 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A 20 percent chance of showers between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Light and variable wind becoming east southeast 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. South wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. West northwest wind 5 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 49. North northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 48.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 70.
Saturday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 45.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
Last Update:
5:02 pm MDT May 24, 2026
Forecast Valid:
8pm MDT May 24, 2026-6pm MDT May 31, 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