National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

75°F

24°C

Humidity 24%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 04 Oct 06:15 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light southwest wind becoming west southwest 9 to 14 mph in the evening. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73. West wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. West wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 69. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. West wind around 9 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. West wind 5 to 8 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. West southwest wind 5 to 8 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light southwest wind becoming west southwest 9 to 14 mph in the evening. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 73. West wind 10 to 17 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 51. West wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 69. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 48. West wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 69. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 47. West wind 5 to 8 mph.
Thursday
Sunny, with a high near 67. West southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A chance of rain. Partly sunny, with a high near 54.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 35.
Sunday
A chance of snow. Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
3:51 pm MDT Oct 4, 2026
Forecast Valid:
6pm MDT Oct 4, 2026-6pm MDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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