Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed E 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Jul 01:30 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Mostly clear, with a low around 63. West southwest wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. North northwest wind 14 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after noon.  High near 61. North wind 11 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Cloudy, with a low around 48. North wind 8 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon.  Partly sunny, with a high near 70. North northwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northeast wind 5 to 8 mph becoming south southwest after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. West southwest wind around 7 mph.
Monday
Sunny, with a high near 93. West wind 5 to 14 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after noon. High near 61. North wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Cloudy, with a low around 48. North wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 70. North northwest wind 6 to 8 mph becoming northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind 5 to 8 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 81. Light and variable wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
9:57 pm MDT Jul 13, 2025
1am MDT Jul 14, 2025-6pm MDT Jul 20, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database