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

John F Kennedy Memorial Airport (KASX)

Lat: 46.55°NLon: 90.92°WElev: 814ft.

Fair

75°F

24°C

Humidity 32%
Wind Speed NW 8 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Aug 5:53 pm CDT
Extended Forecast for

8 Miles S Cornucopia WI

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Calm wind becoming southwest around 5 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 74. Calm wind becoming south around 5 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 11pm.  Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming north around 5 mph.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight.

    Low: 58 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Calm wind becoming northeast around 5 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. Calm wind becoming southwest around 5 mph.
Thursday
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 74. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming north around 5 mph.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 58. Calm wind becoming west around 5 mph after midnight.
Saturday
Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 74. Calm wind becoming northeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 52. Calm wind.
Monday
Mostly sunny, with a high near 77. Calm wind becoming southeast around 5 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. East wind around 5 mph becoming southwest after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 78. North wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Cornucopia WI
 46.69°N 91.09°W
5:26 pm CDT Aug 19, 2026
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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