Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

STILLWATER (STWM8)

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

NA

86°F

30°C

Humidity 25%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index83°F (28°C)
Last update 19 Aug 05:00 PM MDT
Extended Forecast for

9 Miles WNW Whitefish MT

  • Tonight

    Tonight: Patchy smoke. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light and variable wind.

    Low: 47 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 2pm. Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of rain before noon.  Sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke. Mostly cloudy, then gradually becoming mostly clear, with a low around 47. Light and variable wind.
Thursday
Patchy smoke before 2pm. Sunny, with a high near 89. Light and variable wind.
Thursday Night
Mostly clear, with a low around 46. Calm wind.
Friday
Mostly sunny, with a high near 90. Calm wind.
Friday Night
Mostly cloudy, with a low around 51. Calm wind.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of rain before noon. Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Whitefish MT
 48.49°N 114.53°W (Elev. 3005 ft)
2:01 pm MDT Aug 19, 2026
5pm MDT Aug 19, 2026-6pm MDT Aug 26, 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