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

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

65°F

18°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.96 in
Dewpoint 65°F (18°C)
Visibility 0.50 mi
Last update 20 Aug 4:55 am CDT
Extended Forecast for

Wilmington IL

  • Today

    Today: Patchy fog between 7am and 8am.  Otherwise, partly sunny, with a high near 83. Northeast wind 3 to 6 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Light and variable wind.

    Low: 66 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 83. Northwest wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 83. Northeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 62. Light east wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Light and variable wind.
Saturday
Sunny, with a high near 83. Northwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 39.49°N 90.48°W (Elev. 659 ft)
4:26 am CDT Aug 20, 2026
5am CDT Aug 20, 2026-6pm CDT 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