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 55%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Apr 02:53 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: 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

  • Tuesday Night

    Tuesday Night: 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.

    High: 40 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Calm wind.
Tuesday
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.
Tuesday Night
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.
Friday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 20.
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:
12:31 am MDT Apr 21, 2026
Forecast Valid:
3am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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