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

55°F

13°C

Humidity 66%
Wind Speed WNW 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 02:20 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind 6 to 9 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. West wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Light northwest wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. Calm wind.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind 6 to 9 mph.
Sunday
Sunny, with a high near 77. West wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 49. North northwest wind 5 to 14 mph, with gusts as high as 23 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Light northwest wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 47. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
12:32 am MDT Jun 20, 2026
Forecast Valid:
2am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation