Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

NA

55°F

13°C

Humidity 73%
Wind Speed NNE 12 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Jul 08:53 PM MDT
Extended Forecast for

7 Miles SSE Marysville MT

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 2am.  Cloudy, with a low around 48. North wind 7 to 16 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 70. North wind 5 to 9 mph becoming east in the afternoon.

    High: 70 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West northwest wind 9 to 14 mph becoming light northwest  after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. North northwest wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 2am. Cloudy, with a low around 48. North wind 7 to 16 mph, with gusts as high as 30 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 70. North wind 5 to 9 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 48. East wind 5 to 9 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 82. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 53. West northwest wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 82. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly clear, with a low around 56. North northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 86. Light south southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 80.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Marysville MT
 46.65°N 112.24°W (Elev. 4816 ft)
8:53 pm MDT Jul 15, 2025
9pm MDT Jul 15, 2025-6pm MDT Jul 22, 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