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

46°F

8°C

Humidity 56%
Wind Speed E 4 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Apr 08:20 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: Increasing clouds, with a high near 81. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Increasing
    Clouds

  • Tonight

    Tonight: 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 and possibly a thunderstorm, mainly after 3pm. High near 69. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 69 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then rain after 9pm. Low around 31. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    Low: 31 °F

    Showers

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all snow after 9am. High near 41. Northwest wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. North northwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 40. Light north northwest wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 20. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon. Partly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Increasing clouds, with a high near 81. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly cloudy, with a low around 46. South wind 5 to 14 mph, with gusts as high as 24 mph.
Wednesday
Showers and possibly a thunderstorm, mainly after 3pm. High near 69. South southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 9pm, then rain after 9pm. Low around 31. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Thursday
Rain, possibly mixed with snow, becoming all snow after 9am. High near 41. Northwest wind 9 to 16 mph, with gusts as high as 28 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 24. North northwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 40. Light north northwest wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 20. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
A slight chance of snow after noon. Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A slight chance of snow. Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
4:06 am MDT Apr 21, 2026
Forecast Valid:
8am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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