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.

Fog

39°F

4°C

Humidity 93%
Wind Speed E 3 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 12 Apr 08:20 AM MDT
Extended Forecast for

Helena MT

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 57. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

    High: 57 °F

    Mostly Sunny
    then Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then rain likely. Low around 38. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain. High near 52. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 36. West wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 7 to 16 mph, with gusts as high as 31 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Southwest wind 7 to 16 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 52. Southwest wind 6 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 29. West wind 10 to 18 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 39.

    High: 39 °F

    Snow Likely

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 57. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Tonight
Rain and possibly a thunderstorm before 3am, then rain likely. Low around 38. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain. High near 52. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 36. West wind 7 to 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 7 to 16 mph, with gusts as high as 31 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Southwest wind 7 to 16 mph, with gusts as high as 30 mph.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 52. Southwest wind 6 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after midnight. Mostly cloudy, with a low around 29. West wind 10 to 18 mph, with gusts as high as 33 mph.
Thursday
Snow likely. Mostly cloudy, with a high near 39.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A slight chance of snow. Mostly sunny, with a high near 52.
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:
3:26 am MDT Apr 12, 2026
Forecast Valid:
8am MDT Apr 12, 2026-6pm MDT Apr 18, 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