Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. Tropical storm conditions are possible along the east coast of Florida beginning Monday. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest today Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

72°F

22°C

Humidity 29%
Wind Speed NNE 16 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 28 Sep 05:30 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 52. East northeast wind 6 to 8 mph becoming west in the evening.

    Low: 52 °F

    Patchy Smoke

  • Monday

    Monday: Patchy smoke before 7am. Sunny, with a high near 70. South southwest wind 7 to 9 mph.

    High: 70 °F

    Patchy Smoke
    then Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. South southeast wind 7 to 10 mph becoming west in the evening.  Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers.  Partly sunny, with a high near 60. Southwest wind around 11 mph, with gusts as high as 21 mph.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 47. West southwest wind 8 to 10 mph.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 59. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 46. West southwest wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain, mainly after noon.  Partly sunny, with a high near 55. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy smoke. Mostly clear, with a low around 52. East northeast wind 6 to 8 mph becoming west in the evening.
Monday
Patchy smoke before 7am. Sunny, with a high near 70. South southwest wind 7 to 9 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. South southeast wind 7 to 10 mph becoming west in the evening. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 60. Southwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47. West southwest wind 8 to 10 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 59. South southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 46. West southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Thursday
A chance of rain, mainly after noon. Partly sunny, with a high near 55. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain, mainly after noon. Partly sunny, with a high near 48.
Friday Night
A chance of rain. Mostly cloudy, with a low around 40.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Sunday
A chance of rain and snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
4:05 pm MDT Sep 28, 2025
5pm MDT Sep 28, 2025-6pm MDT Oct 5, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database