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.

Partly Cloudy

70°F

21°C

Humidity 35%
Wind Speed SE 9 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 25 May 11:20 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A 20 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 52. South southwest wind 3 to 6 mph.

    Low: 52 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 84. Light and variable wind becoming south southeast 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 84 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely before 11pm, then a slight chance of rain between 11pm and midnight. Patchy smoke before 8pm. Mostly cloudy, with a low around 54. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Rain Likely
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 79 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 54. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 55. East northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Chance Rain

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 52. South southwest wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 84. Light and variable wind becoming south southeast 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Tuesday Night
Rain and thunderstorms likely before 11pm, then a slight chance of rain between 11pm and midnight. Patchy smoke before 8pm. Mostly cloudy, with a low around 54. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 54. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Calm wind becoming east northeast 5 to 8 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 55. East northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 53.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70.
Saturday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 48.
Sunday
A chance of rain and thunderstorms. Mostly sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
10:46 pm MDT May 25, 2026
Forecast Valid:
11pm MDT May 25, 2026-6pm MDT Jun 1, 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