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

43°F

6°C

Humidity 41%
Wind Speed WNW 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 18 Apr 10:35 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. East southeast wind 5 to 8 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. West wind 5 to 7 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light south wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. South wind 5 to 14 mph, with gusts as high as 24 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Cloudy, with a low around 32.

    Low: 32 °F

    Rain then
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Calm wind.
Sunday
Sunny, with a high near 69. Calm wind becoming east southeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 38. East southeast wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 41. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light south wind becoming south southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 46. South wind 5 to 14 mph, with gusts as high as 24 mph.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. South southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Rain before 3am, then rain and snow. Cloudy, with a low around 32.
Thursday
Rain and snow, becoming all snow after 9am. Mostly cloudy, with a high near 44.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
A slight chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
10:42 pm MDT Apr 18, 2026
Forecast Valid:
10pm MDT Apr 18, 2026-6pm MDT Apr 25, 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