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

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

unknown precip

50°F

10°C

Humidity 97%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 15 Jul 11:30 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 1am.  Cloudy, with a low around 43. North northeast wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 6 to 9 mph becoming east in the afternoon.

    High: 61 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south southwest after midnight.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 1am. Cloudy, with a low around 43. North northeast wind 10 to 16 mph, with gusts as high as 26 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 6 to 9 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 51. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 73. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 71.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
10:19 pm MDT Jul 15, 2025
11pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database