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.

Mostly Cloudy

57°F

14°C

Humidity 33%
Wind Speed WNW 16 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 May 01:30 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly between 3pm and 5pm. Mostly sunny, with a high near 60. West wind around 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 36. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. West wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North wind around 6 mph becoming light and variable after midnight.

    Low: 41 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 44. North wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67.

    High: 67 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly between 3pm and 5pm. Mostly sunny, with a high near 60. West wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 36. West southwest wind 6 to 14 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 62. West wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 39. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 41. North wind around 6 mph becoming light and variable after midnight.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 44. North wind 5 to 7 mph becoming calm in the evening.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 42.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 45.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
Last Update:
10:31 am MDT May 20, 2025
Forecast Valid:
1pm MDT May 20, 2025-6pm MDT May 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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