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

Excessive Rainfall Possible This Weekend; 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 the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

HELENA (HRWM8)

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

NA

57°F

14°C

Humidity 57%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 03 Oct 09:53 AM MDT
Extended Forecast for

7 Miles SSE Marysville MT

  • Today

    Today: Mostly sunny, with a high near 64. Light and variable wind becoming east around 6 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 45. East wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Light south wind becoming southwest 5 to 10 mph in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. West southwest wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. West southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 64. Light and variable wind becoming east around 6 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 45. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 74. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 50. Light south wind becoming southwest 5 to 10 mph in the evening.
Monday
Mostly sunny, with a high near 76. West southwest wind 11 to 18 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 52. West southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 72. West southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 49. West southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Marysville MT
 46.65°N 112.27°W (Elev. 4915 ft)
Last Update:
4:11 am MDT Oct 3, 2026
Forecast Valid:
10am MDT Oct 3, 2026-6pm MDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation