Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

46°F

8°C

Humidity 49%
Wind Speed NW 17 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 11 Oct 10:45 PM MDT
Extended Forecast for

Marysville MT

Winter Weather Advisory October 12, 12:00am until October 13, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A slight chance of rain and snow before 2am, then a chance of snow between 2am and 4am, then rain and snow after 4am.  Steady temperature around 38. Breezy, with a west wind 16 to 22 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Snow.  Temperature falling to around 30 by 5pm. West wind 9 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Sunday Night

    Sunday Night: Snow.  Low around 23. North northeast wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 23 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely, mainly before noon.  Cloudy, with a high near 29. North northeast wind 14 to 21 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow.  Cloudy, with a low around 27. North northeast wind 10 to 13 mph, with gusts as high as 23 mph.  Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 3pm, then a chance of rain and snow.  Mostly cloudy, with a high near 35. East northeast wind 5 to 8 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow.  Mostly cloudy, with a low around 31. North wind around 6 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 9am.  Mostly cloudy, with a high near 40. North northwest wind 3 to 6 mph.

    High: 40 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then rain and snow likely.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
A slight chance of rain and snow before 2am, then a chance of snow between 2am and 4am, then rain and snow after 4am. Steady temperature around 38. Breezy, with a west wind 16 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Snow. Temperature falling to around 30 by 5pm. West wind 9 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow. Low around 23. North northeast wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Columbus Day
Snow likely, mainly before noon. Cloudy, with a high near 29. North northeast wind 14 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday Night
A 40 percent chance of snow. Cloudy, with a low around 27. North northeast wind 10 to 13 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
Tuesday
A chance of snow before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 35. East northeast wind 5 to 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. North wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 40. North northwest wind 3 to 6 mph.
Wednesday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
Rain and snow likely before 3pm, then a chance of rain. Mostly cloudy, with a high near 38.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Partly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
A chance of rain and snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
10:11 pm MDT Oct 11, 2025
11pm MDT Oct 11, 2025-6pm MDT Oct 18, 2025
 
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Additional Resources

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