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

70°F

21°C

Humidity 18%
Wind Speed S 12 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Apr 09:20 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 6 to 9 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain likely after 5pm. High near 65. South wind 6 to 11 mph becoming south southwest 16 to 21 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%.

    High: 65 °F

    Slight Chance
    Rain then
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Low around 34. West wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: Snow. High near 41. West northwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. North northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 38. North wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow. Partly sunny, with a high near 43. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 43 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South wind 6 to 9 mph.
Wednesday
Rain and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then rain likely after 5pm. High near 65. South wind 6 to 11 mph becoming south southwest 16 to 21 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%.
Wednesday Night
Rain before 3am, then rain and snow. Low around 34. West wind 11 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Snow. High near 41. West northwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 26. North northwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 38. North wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
A slight chance of snow. Partly sunny, with a high near 43. Calm wind becoming north northeast around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A slight chance of snow. Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A slight chance of rain. Partly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
4:38 pm MDT Apr 21, 2026
Forecast Valid:
9pm MDT Apr 21, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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