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

66°F

19°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.97 in
Dewpoint 66°F (19°C)
Visibility 0.50 mi
Last update 20 Aug 5:35 am CDT
Extended Forecast for

5 Miles NW Hettick IL

  • Today

    Today: Isolated showers between 1pm and 2pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 83. Northeast wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Patchy Fog
    then Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 84. Light northwest wind becoming north 5 to 9 mph in the morning.

    High: 84 °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 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers between 1pm and 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Light and variable wind.
Saturday
Sunny, with a high near 84. Light northwest wind becoming north 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 85.
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:
5 Miles NW Hettick IL
 39.41°N 90.11°W (Elev. 650 ft)
5:31 am CDT Aug 20, 2026
6am 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