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.

Fair

81°F

27°C

Humidity 71%
Wind Speed S 12 G 18 mph
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jun 11:10 pm CDT
Extended Forecast for

4 Miles SSW Havana IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 76. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 76 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 37 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South southwest wind 8 to 11 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 8 to 13 mph, with gusts as high as 26 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 95. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 76. South wind 11 to 13 mph, with gusts as high as 22 mph.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 37 mph.
Saturday Night
Clear, with a low around 75. South southwest wind 8 to 11 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 103. South southwest wind 8 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 74. South southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Monday
Sunny and hot, with a high near 95. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 73. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Havana IL
 40.25°N 90.07°W (Elev. 472 ft)
Last Update:
9:41 pm CDT Jun 20, 2025
Forecast Valid:
11pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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