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

61°F

16°C

Humidity 29%
Wind Speed NW 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 22 May 01:20 PM MDT
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. Northeast wind around 6 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. North wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. West northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.

    Low: 49 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of rain before midnight. Mostly cloudy, with a low around 52. South wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Chance Rain
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. Northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 41. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 45. West northwest wind 5 to 8 mph becoming light and variable. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 49. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Memorial Day
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
A chance of rain before midnight. Mostly cloudy, with a low around 52. South wind 5 to 10 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 69.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
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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:
12:31 pm MDT May 22, 2026
Forecast Valid:
1pm MDT May 22, 2026-6pm MDT May 28, 2026
 
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