Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

HELENA (HRWM8)

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

NA

38°F

3°C

Humidity 89%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 17 Oct 11:53 PM MDT
Extended Forecast for

8 Miles ESE Marysville MT

  • Overnight

    Overnight: A chance of rain and snow before 2am.  Mostly clear, with a low around 29. West northwest wind 8 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Increasing clouds, with a high near 53. West northwest wind 7 to 11 mph becoming south southwest in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 37. South wind 7 to 16 mph becoming east southeast after midnight. Winds could gust as high as 23 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Rain.  High near 55. Breezy, with an east southeast wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 80%.

    High: 55 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Partly cloudy, with a low around 35. Breezy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.

    Low: 35 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: A slight chance of rain and snow before noon.  Mostly sunny, with a high near 51. West wind 15 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. South southwest wind around 9 mph, with gusts as high as 18 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain and snow before 2am. Mostly clear, with a low around 29. West northwest wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
Increasing clouds, with a high near 53. West northwest wind 7 to 11 mph becoming south southwest in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. South wind 7 to 16 mph becoming east southeast after midnight. Winds could gust as high as 23 mph.
Sunday
Rain. High near 55. Breezy, with an east southeast wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of rain. Partly cloudy, with a low around 35. Breezy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.
Monday
A slight chance of rain and snow before noon. Mostly sunny, with a high near 51. West wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 59. South southwest wind around 9 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Marysville MT
 46.72°N 112.13°W (Elev. 4213 ft)
10:19 pm MDT Oct 17, 2025
12am MDT Oct 18, 2025-6pm MDT Oct 24, 2025
 
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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