Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

87°F

31°C

Humidity 21%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index84°F (29°C)
Last update 11 Aug 05:00 PM MDT
Extended Forecast for

24 Miles S Fortine MT

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 49. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 22 mph.

    Low: 49 °F

    Areas Smoke

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy smoke. Mostly sunny, with a high near 67. East wind 5 to 8 mph.

    High: 67 °F

    Patchy Smoke
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Patchy smoke before 7pm. Mostly cloudy, with a low around 45. North northeast wind 9 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then showers and possibly a thunderstorm after 3pm.  High near 60. North northeast wind 5 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 43. North northeast wind 6 to 9 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 49. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 22 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Patchy smoke. Mostly sunny, with a high near 67. East wind 5 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy smoke before 7pm. Mostly cloudy, with a low around 45. North northeast wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 9am, then rain between 9am and 3pm, then showers and possibly a thunderstorm after 3pm. High near 60. North northeast wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 43. North northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 71.
Monday Night
A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
24 Miles S Fortine MT
 48.42°N 114.86°W (Elev. 5719 ft)
2:01 pm MDT Aug 11, 2026
6pm MDT Aug 11, 2026-6pm MDT Aug 18, 2026
 
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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