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

73°F

23°C

Humidity 16%
Wind Speed E 8 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 Apr 02:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 81. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. South wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 67. South wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

    High: 67 °F

    Slight Chance
    Rain then
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Some thunder is also possible. Low around 34. West wind 11 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow. High near 41. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. North wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 40. North wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 40 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 81. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 49. South wind 6 to 11 mph, with gusts as high as 23 mph.
Wednesday
Rain, mainly between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 67. South wind 6 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Wednesday Night
Rain before 3am, then rain and snow. Some thunder is also possible. Low around 34. West wind 11 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Snow. High near 41. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. North wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Mostly cloudy, with a high near 40. North wind 5 to 13 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 28.
Monday
A slight chance of rain. Mostly sunny, with a high near 55.
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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:
12:31 pm MDT Apr 20, 2026
Forecast Valid:
3pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation