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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

STEVI (STVM8)

Lat: 46.55617°NLon: 114.07435°WElev: 3205.0ft.

NA

59°F

15°C

Humidity 64%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 16 Aug 12:14 AM MDT
Extended Forecast for

Stevensville MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of rain after midnight. Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 30%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 83 °F

    Chance Rain
    and Patchy
    Fog then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms, then a chance of rain after midnight. Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Sunday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stevensville MT
 46.5°N 114.07°W (Elev. 3401 ft)
Last Update:
3:30 am MDT Aug 16, 2025
Forecast Valid:
6am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation