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

18°C

64°F

Humidity 25%
Wind Speed W 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint -2°C (28°F)
Visibility 16 km
Last update 09 May 02:20 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 20. Northwest wind 14 to 16 km/h, with gusts as high as 29 km/h.

    High: 20 °C

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 3. Northwest wind 5 to 14 km/h becoming south southwest after midnight.

    Low: 3 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 27. South southwest wind 5 to 10 km/h becoming north northeast 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 27 °C

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. North northeast wind 5 to 14 km/h becoming south southwest in the evening. Winds could gust as high as 35 km/h.

    Low: 8 °C

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 25. Light west northwest wind increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 42 km/h.

    High: 25 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 4. Northwest wind 19 to 24 km/h becoming light and variable after midnight. Winds could gust as high as 45 km/h.

    Low: 4 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 29. Light and variable wind becoming east northeast 8 to 13 km/h in the afternoon. Winds could gust as high as 32 km/h.

    High: 29 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11. East northeast wind 11 to 16 km/h becoming light and variable. Winds could gust as high as 34 km/h.

    Low: 11 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 20. Northwest wind 14 to 16 km/h, with gusts as high as 29 km/h.
Tonight
Mostly clear, with a low around 3. Northwest wind 5 to 14 km/h becoming south southwest after midnight.
Sunday
Sunny, with a high near 27. South southwest wind 5 to 10 km/h becoming north northeast 11 to 16 km/h in the afternoon. Winds could gust as high as 37 km/h.
Sunday Night
Partly cloudy, with a low around 8. North northeast wind 5 to 14 km/h becoming south southwest in the evening. Winds could gust as high as 35 km/h.
Monday
Sunny, with a high near 25. Light west northwest wind increasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 42 km/h.
Monday Night
Mostly clear, with a low around 4. Northwest wind 19 to 24 km/h becoming light and variable after midnight. Winds could gust as high as 45 km/h.
Tuesday
Sunny, with a high near 29. Light and variable wind becoming east northeast 8 to 13 km/h in the afternoon. Winds could gust as high as 32 km/h.
Tuesday Night
Partly cloudy, with a low around 11. East northeast wind 11 to 16 km/h becoming light and variable. Winds could gust as high as 34 km/h.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 31.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 12.
Thursday
A slight chance of rain. Mostly sunny, with a high near 25.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 9.
Friday
A slight chance of rain. Mostly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 m)
Last Update:
12:32 pm MDT May 9, 2026
Forecast Valid:
2pm MDT May 9, 2026-6pm MDT May 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation