National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heavy Rain Possible through the Weekend

There will be daily chances for scattered thunderstorms across portions of the Central and Eastern U.S. through the weekend, with severe thunderstorms possible in the northern Plains and Upper Midwest. Potential severe storm hazards may include large hail, damaging winds, and a few tornadoes. Storms could also produce heavy rain that may lead to isolated instances of flash flooding. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

64°F

18°C

Humidity 39%
Wind Speed SW 9 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 29 Jun 12:05 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Mostly clear, with a low around 51. West southwest wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light and variable wind becoming northwest 5 to 7 mph in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. East wind 5 to 7 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming light and variable after midnight.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after noon. Mostly sunny, with a high near 91. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. West southwest wind around 6 mph.
Sunday
Sunny, with a high near 79. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 53. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. East wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 92. Calm wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 61. North wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
A chance of showers after noon. Mostly sunny, with a high near 91. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
A chance of showers. Mostly sunny, with a high near 83.
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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:
9:33 pm MDT Jun 28, 2025
Forecast Valid:
12am MDT Jun 29, 2025-6pm MDT Jul 5, 2025
 
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