Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

54°F

12°C

Humidity 38%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 06 Aug 01:45 AM MDT
Extended Forecast for

Marysville MT

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a low around 50. West southwest wind around 10 mph.

    Low: 50 °F

    Areas Smoke

  • Thursday

    Thursday: Widespread smoke, mainly after 5pm. Sunny, with a high near 75. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 75 °F

    Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly before 7pm. Mostly clear, with a low around 54. West northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 54 °F

    Smoke

  • Friday

    Friday: Patchy smoke. Sunny, with a high near 79. Southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 79 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Patchy smoke before 7pm. Mostly clear, with a low around 58. West northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Patchy Smoke
    then Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a low around 50. West southwest wind around 10 mph.
Thursday
Widespread smoke, mainly after 5pm. Sunny, with a high near 75. West northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Widespread smoke, mainly before 7pm. Mostly clear, with a low around 54. West northwest wind 5 to 11 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Friday
Patchy smoke. Sunny, with a high near 79. Southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Friday Night
Patchy smoke before 7pm. Mostly clear, with a low around 58. West northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 81. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 58. West wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 76. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
12:31 am MDT Aug 6, 2026
2am MDT Aug 6, 2026-6pm MDT Aug 12, 2026
 
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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