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

25°C

77°F

Humidity 24%
Wind Speed WSW 11 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 3°C (38°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 12 Jul 11:53 PM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Mostly clear, with a low around 15. West southwest wind 8 to 13 km/h.

    Low: 15 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 34. Light and variable wind becoming west 16 to 21 km/h in the morning. Winds could gust as high as 35 km/h.

    High: 34 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. West southwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.

    Low: 16 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34. Southwest wind 8 to 13 km/h becoming northwest 19 to 24 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 34 °C

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13. North northwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 47 km/h.

    Low: 13 °C

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 19. North wind 11 to 16 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 70%.

    High: 19 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 10. North northwest wind 21 to 26 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 50%.

    Low: 10 °C

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers. Partly sunny, with a high near 23. Northwest wind 5 to 14 km/h becoming north northeast in the afternoon. Winds could gust as high as 29 km/h.

    High: 23 °C

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10.

    Low: 10 °C

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 15. West southwest wind 8 to 13 km/h.
Sunday
Sunny, with a high near 34. Light and variable wind becoming west 16 to 21 km/h in the morning. Winds could gust as high as 35 km/h.
Sunday Night
Mostly clear, with a low around 16. West southwest wind 16 to 21 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.
Monday
Sunny, with a high near 34. Southwest wind 8 to 13 km/h becoming northwest 19 to 24 km/h in the afternoon. Winds could gust as high as 40 km/h.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 13. North northwest wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 47 km/h.
Tuesday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 19. North wind 11 to 16 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 10. North northwest wind 21 to 26 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 50%.
Wednesday
A slight chance of showers. Partly sunny, with a high near 23. Northwest wind 5 to 14 km/h becoming north northeast in the afternoon. Winds could gust as high as 29 km/h.
Wednesday Night
Mostly clear, with a low around 10.
Thursday
Sunny, with a high near 28.
Thursday Night
Mostly clear, with a low around 12.
Friday
Mostly sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 13.
Saturday
Sunny, with a high near 33.
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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:
8:28 pm MDT Jul 12, 2025
Forecast Valid:
12am MDT Jul 13, 2025-6pm MDT Jul 19, 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