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

59°F

15°C

Humidity 20%
Wind Speed NNE 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 19 Apr 12:53 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. East wind 6 to 8 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East northeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. South wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain, then showers and possibly a thunderstorm after noon. High near 63. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%.

    High: 63 °F

    Chance Rain
    then Showers

  • Wednesday Night

    Wednesday Night: Rain showers before midnight, then rain and snow. Some thunder is also possible. Cloudy, with a low around 33. West northwest wind 16 to 21 mph, with gusts as high as 37 mph.

    Low: 33 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Snow, mainly before noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 66. East wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 44. East northeast wind 5 to 8 mph becoming light and variable after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 46. North wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 49. South wind 6 to 13 mph, with gusts as high as 24 mph.
Wednesday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 63. South wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 80%.
Wednesday Night
Rain showers before midnight, then rain and snow. Some thunder is also possible. Cloudy, with a low around 33. West northwest wind 16 to 21 mph, with gusts as high as 37 mph.
Thursday
Snow, mainly before noon. Mostly cloudy, with a high near 40.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Partly sunny, with a high near 40.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Saturday
A slight chance of snow. Partly sunny, with a high near 43.
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 112.07°W (Elev. 4764 ft)
Last Update:
12:31 pm MDT Apr 19, 2026
Forecast Valid:
1pm MDT Apr 19, 2026-6pm MDT Apr 25, 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