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

45°F

7°C

Humidity 56%
Wind Speed S 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 Apr 04:35 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: Mostly sunny, with a high near 80. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind 5 to 14 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 3pm. High near 67. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    High: 67 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 9pm, then rain after 9pm. Low around 32. West northwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

    Low: 32 °F

    Showers

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all snow after 9am. High near 40. Northwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 40 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. North northwest wind 5 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon. Mostly cloudy, with a high near 39. 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: 39 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 21. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow after noon. Partly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light and variable wind becoming south 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South wind 5 to 14 mph, with gusts as high as 25 mph.
Wednesday
Showers and possibly a thunderstorm, mainly after 3pm. High near 67. South wind 6 to 11 mph increasing to 12 to 17 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 32. West northwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Thursday
Rain, possibly mixed with snow, becoming all snow after 9am. High near 40. Northwest wind 10 to 15 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 25. North northwest wind 5 to 13 mph, with gusts as high as 25 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 39. 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 21. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
A slight chance of snow after noon. Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A slight chance of snow. Partly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
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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:
4:06 am MDT Apr 21, 2026
Forecast Valid:
4am 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation