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

Rush City Regional Airport (KROS)

Lat: 45.7°NLon: 92.95°WElev: 919ft.

Fair

53°F

12°C

Humidity 95%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Aug 12:55 am CDT
Extended Forecast for

3 Miles S Grantsburg WI

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Calm wind becoming south around 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm.  Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the morning.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. North wind around 5 mph becoming calm.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. North wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind becoming southeast around 5 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Calm wind becoming south around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Increasing clouds, with a low around 56. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 53. Calm wind becoming southeast around 5 mph.
Monday
A slight chance of showers after 1pm. Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph in the morning.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. West wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Grantsburg WI
 45.74°N 92.68°W
11:52 pm CDT Aug 19, 2026
1am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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