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.

Thunderstorm in Vicinity

77°F

25°C

Humidity 97%
Wind Speed S 8 mph
Barometer 29.84 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 3:35 pm CDT
Extended Forecast for

Jacksonville Municipal Airport IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 87. Northwest wind around 7 mph becoming south southeast.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 70. East wind around 6 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. East wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. East southeast wind around 9 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 90. East northeast wind around 7 mph becoming south in the afternoon.

    High: 90 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. East southeast wind around 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South southwest wind 7 to 9 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 87. Northwest wind around 7 mph becoming south southeast.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 70. East wind around 6 mph.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Heat index values as high as 103. East wind 7 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. East southeast wind around 9 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 90. East northeast wind around 7 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 73. East southeast wind around 8 mph.
Saturday
Mostly sunny, with a high near 92. South southwest wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Municipal Airport IL
 39.77°N 90.24°W (Elev. 610 ft)
Last Update:
3:36 pm CDT Aug 12, 2026
Forecast Valid:
3pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
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Additional Resources

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Chance of Precipitation