Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

66°F

19°C

Humidity 25%
Wind Speed SW 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 05 Sep 08:20 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. East northeast wind around 6 mph becoming light and variable  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. West northwest wind around 8 mph becoming southwest in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 82. Southwest wind around 6 mph becoming light and variable.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 54. North northwest wind around 6 mph becoming calm  after midnight.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after noon.  Partly sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. East northeast wind around 6 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 84. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. West northwest wind around 8 mph becoming southwest in the evening.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 82. Southwest wind around 6 mph becoming light and variable.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 54. North northwest wind around 6 mph becoming calm after midnight.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 79. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53.
Wednesday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Thursday
A chance of showers. Partly sunny, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
2:20 pm MDT Sep 5, 2025
8pm MDT Sep 5, 2025-6pm MDT Sep 12, 2025
 
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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