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

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

91°F

33°C

Humidity 18%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index87°F (31°C)
Last update 19 Aug 05:02 PM MDT
Extended Forecast for

6 Miles SSW St. Regis MT

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West southwest wind 6 to 9 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Patchy smoke before 2pm. Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 75 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Patchy smoke before 7am. Mostly sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Patchy Smoke
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 62. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of rain.  Partly sunny, with a high near 71.

    High: 71 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. West southwest wind 6 to 9 mph.
Thursday
Patchy smoke before 2pm. Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. West northwest wind around 6 mph becoming light and variable after midnight.
Friday
Patchy smoke before 7am. Mostly sunny, with a high near 76. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. North northeast wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 71.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW St. Regis MT
 47.21°N 115.13°W (Elev. 6453 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