National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

75°F

24°C

Humidity 96%
Wind Speed SW 5 mph
Barometer 30.02 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 25 Jul 11:15 am CDT
Extended Forecast for

Hettick IL

Heat Advisory July 26, 11:00am until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers and thunderstorms before noon, then scattered showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Calm wind becoming southwest around 5 mph after midnight.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms before noon, then scattered showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 50%.
Tonight
Partly cloudy, with a low around 72. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 106. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 74. Calm wind becoming southwest around 5 mph after midnight.
Monday
Sunny, with a high near 96. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hettick IL
 39.34°N 90.03°W (Elev. 551 ft)
Last Update:
10:46 am CDT Jul 25, 2026
Forecast Valid:
11am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation