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.

Overcast

43°F

6°C

Humidity 65%
Wind Speed W 9 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 30 Mar 01:05 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. West wind around 6 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

Overnight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. West wind around 6 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:
9:22 pm MDT Mar 29, 2026
Forecast Valid:
1am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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