Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, 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

70°F

21°C

Humidity 39%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 18 Aug 09:02 PM MDT
Extended Forecast for

16 Miles SSW Superior MT

  • Tonight

    Tonight: Mostly clear, with a low around 52. Southwest wind around 8 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. West southwest wind 5 to 7 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. South wind around 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. West wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny
    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.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Southwest wind around 8 mph.
Wednesday
Sunny, with a high near 71. West southwest wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 54. South wind around 6 mph.
Thursday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 60. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 58.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 71.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSW Superior MT
 46.98°N 115.02°W (Elev. 5430 ft)
2:00 pm MDT Aug 18, 2026
10pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database