Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

66°F

19°C

Humidity 34%
Wind Speed NW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Sep 03:00 PM MDT
Extended Forecast for

3 Miles W Helena MT

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Calm wind becoming north northeast 5 to 9 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. North wind 5 to 7 mph becoming calm  after midnight.

    Low: 47 °F

    Mostly Clear

  • Thursday

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

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight.  Mostly cloudy, with a low around 53. West wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A chance of rain, then showers and possibly a thunderstorm after noon.  High near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%.

    High: 74 °F

    Chance Rain
    then Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 52. West southwest wind 3 to 7 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely then
    Chance Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73. West southwest wind 3 to 6 mph.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 67. Calm wind becoming north northeast 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 47. North wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming east 5 to 7 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely between 9pm and midnight. Mostly cloudy, with a low around 53. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.
Friday
A chance of rain, then showers and possibly a thunderstorm after noon. High near 74. Calm wind becoming north northwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 52. West southwest wind 3 to 7 mph. Chance of precipitation is 70%.
Saturday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. West southwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Helena MT
 46.6°N 112.11°W (Elev. 4039 ft)
12:31 pm MDT Sep 15, 2026
3pm MDT Sep 15, 2026-6pm MDT Sep 22, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database