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

45°F

7°C

Humidity 81%
Wind Speed S 9 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 12 Apr 02:05 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Light south southwest wind.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 60. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 60 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain. 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

    Showers then
    Chance Rain

  • Monday

    Monday: Rain. High near 55. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 36. West wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. West wind 5 to 15 mph, with gusts as high as 29 mph.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. South southwest wind 6 to 14 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after noon. Mostly cloudy, with a high near 55. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 55 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 9pm, then rain and snow between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Light south southwest wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 60. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. 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 55. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 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 6 to 11 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 59. West wind 5 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. South southwest wind 6 to 14 mph, with gusts as high as 29 mph.
Wednesday
Rain, mainly after noon. Mostly cloudy, with a high near 55. Southwest wind 5 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
Rain before 9pm, then rain and snow between 9pm and midnight, then snow likely after midnight. Mostly cloudy, with a low around 28.
Thursday
Snow likely. Mostly cloudy, with a high near 42.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
12:32 am MDT Apr 12, 2026
Forecast Valid:
2am MDT Apr 12, 2026-6pm MDT Apr 18, 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