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

13°C

55°F

Humidity 54%
Wind Speed NW 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 4°C (39°F)
Visibility 16 km
Last update 15 Sep 12:20 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 21. East northeast wind 8 to 13 km/h.

    High: 21 °C

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Northwest wind 18 to 23 km/h becoming west 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.

    Low: 7 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19. West wind 11 to 16 km/h becoming north in the afternoon. Winds could gust as high as 29 km/h.

    High: 19 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 7. North northwest wind 9 to 14 km/h becoming light and variable after midnight. Winds could gust as high as 32 km/h.

    Low: 7 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 26. Calm wind becoming east 5 to 10 km/h in the afternoon.

    High: 26 °C

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight. Mostly cloudy, with a low around 10. West wind 8 to 13 km/h becoming light and variable after midnight. Chance of precipitation is 70%.

    Low: 10 °C

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 23. Calm wind becoming north northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 80%.

    High: 23 °C

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 10. Northwest wind 6 to 11 km/h becoming light and variable after midnight.

    Low: 10 °C

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 22.

    High: 22 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 21. East northeast wind 8 to 13 km/h.
Tonight
Partly cloudy, with a low around 7. Northwest wind 18 to 23 km/h becoming west 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.
Wednesday
Mostly sunny, with a high near 19. West wind 11 to 16 km/h becoming north in the afternoon. Winds could gust as high as 29 km/h.
Wednesday Night
Mostly clear, with a low around 7. North northwest wind 9 to 14 km/h becoming light and variable after midnight. Winds could gust as high as 32 km/h.
Thursday
Sunny, with a high near 26. Calm wind becoming east 5 to 10 km/h in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight. Mostly cloudy, with a low around 10. West wind 8 to 13 km/h becoming light and variable after midnight. Chance of precipitation is 70%.
Friday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 23. Calm wind becoming north northwest 5 to 10 km/h in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 10. Northwest wind 6 to 11 km/h becoming light and variable after midnight.
Saturday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Sunny, with a high near 24.
Sunday Night
Mostly clear, with a low around 8.
Monday
Sunny, with a high near 25.
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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 m)
Last Update:
12:31 pm MDT Sep 15, 2026
Forecast Valid:
12pm MDT Sep 15, 2026-6pm MDT Sep 21, 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