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

76°F

24°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.02 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 24 Jun 1:55 pm CDT
Extended Forecast for

South Jacksonville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 8 mph, with gusts as high as 16 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 64. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 65. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Heavy Rain

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, with a high near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 8 mph, with gusts as high as 16 mph.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 64. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 65. Northeast wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, with a high near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Jacksonville IL
 39.7°N 90.24°W (Elev. 650 ft)
Last Update:
1:36 pm CDT Jun 24, 2026
Forecast Valid:
2pm CDT Jun 24, 2026-6pm CDT Jun 30, 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