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

48°F

9°C

Humidity 57%
Wind Speed NW 11 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 29 Mar 08:05 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 37. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: A chance of rain before 7am, then a chance of rain and snow between 7am and 10am, then a chance of snow after 10am. Partly sunny, with a high near 44. Breezy, with a west wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 20. Northwest wind 16 to 21 mph becoming light west northwest after midnight. Winds could gust as high as 39 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming east around 6 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. East northeast wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 57. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 37. South southwest wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: Rain before 3pm, then rain and snow. Cloudy, with a high near 47. South southwest wind 6 to 11 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 47 °F

    Rain then
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

Detailed Forecast

Tonight
A 30 percent chance of rain after 3am. Mostly cloudy, with a low around 37. West wind 5 to 9 mph, with gusts as high as 20 mph.
Monday
A chance of rain before 7am, then a chance of rain and snow between 7am and 10am, then a chance of snow after 10am. Partly sunny, with a high near 44. Breezy, with a west wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 20. Northwest wind 16 to 21 mph becoming light west northwest after midnight. Winds could gust as high as 39 mph.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 28. East northeast wind around 6 mph becoming calm in the evening.
Wednesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 57. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37. South southwest wind 3 to 7 mph. Chance of precipitation is 70%.
Thursday
Rain before 3pm, then rain and snow. Cloudy, with a high near 47. South southwest wind 6 to 11 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 28.
Friday
A chance of snow. Mostly cloudy, with a high near 40.
Friday Night
A chance of snow. Mostly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
6:22 pm MDT Mar 29, 2026
Forecast Valid:
8pm MDT Mar 29, 2026-6pm MDT Apr 5, 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