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.

Partly Cloudy

93°F

34°C

Humidity 16%
Wind Speed WSW 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Jul 02:53 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Mostly cloudy, with a low around 54. North northwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 9am. High near 59. North northwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 49. North northwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 76. Northwest wind 5 to 7 mph becoming east in the afternoon.

    High: 76 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East wind 5 to 8 mph becoming light and variable after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Mostly cloudy, with a low around 54. North northwest wind 11 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday
Showers, with thunderstorms also possible after 9am. High near 59. North northwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 49. North northwest wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 76. Northwest wind 5 to 7 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. East wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 87. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 52. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 85. Calm wind becoming north northeast 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 84.
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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:
2:23 pm MDT Jul 14, 2025
Forecast Valid:
3pm MDT Jul 14, 2025-6pm MDT Jul 21, 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