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 17%
Wind Speed ENE 12 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Apr 03:05 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 82. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. South wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 67. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    High: 67 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 33. West wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all snow after 9am. High near 42. North northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. Northwest wind 6 to 13 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 41. North wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 41 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 82. Light and variable wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly cloudy, with a low around 47. South wind 5 to 11 mph, with gusts as high as 23 mph.
Wednesday
Rain between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 67. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Wednesday Night
Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 33. West wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow, becoming all snow after 9am. High near 42. North northwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. Northwest wind 6 to 13 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday
A chance of snow. Mostly cloudy, with a high near 41. North wind 5 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A slight chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 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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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation