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

53°F

12°C

Humidity 86%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 20 Aug 01:00 AM MDT
Extended Forecast for

14 Miles ESE Fortine MT

  • Overnight

    Overnight: Patchy smoke. Mostly clear, with a low around 55. West northwest wind around 6 mph becoming south southwest.

    Low: 55 °F

    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke before 1pm. Sunny, with a high near 71. South wind 5 to 9 mph becoming east in the morning. Winds could gust as high as 18 mph.

    High: 71 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming north after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. North wind 5 to 7 mph becoming light and variable.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of rain before noon.  Mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy smoke. Mostly clear, with a low around 55. West northwest wind around 6 mph becoming south southwest.
Thursday
Patchy smoke before 1pm. Sunny, with a high near 71. South wind 5 to 9 mph becoming east in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 73. North wind 5 to 7 mph becoming light and variable.
Friday Night
Mostly cloudy, with a low around 59. Southeast wind 5 to 10 mph becoming northeast after midnight.
Saturday
A slight chance of rain before 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Sunday
A slight chance of rain before noon. Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Fortine MT
 48.67°N 114.63°W (Elev. 6476 ft)
12:27 am MDT Aug 20, 2026
2am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database