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 E 11 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 20 Apr 04:20 PM MDT
Extended Forecast for

Helena MT

  • Tonight

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

    Low: 41 °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 23 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. South southeast wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 69. Light south wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

    High: 69 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 32. West wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all snow after noon. High near 42. North northwest wind 8 to 15 mph, with gusts as high as 23 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 24. Northwest wind 6 to 13 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °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 24 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 41. 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 23 mph.
Tuesday Night
Mostly cloudy, with a low around 45. South southeast wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday
Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 69. Light south wind becoming southwest 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 70%.
Wednesday Night
Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 32. West wind 10 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all snow after noon. High near 42. North northwest wind 8 to 15 mph, with gusts as high as 23 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 24. Northwest wind 6 to 13 mph, with gusts as high as 24 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 24 mph.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
4:06 pm MDT Apr 20, 2026
Forecast Valid:
4pm MDT Apr 20, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation