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.

Mostly Cloudy

69°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 13 Jul 11:50 pm CDT
Extended Forecast for

South Jacksonville IL

  • Overnight

    Overnight: Patchy dense fog. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 85. Light east wind.

    High: 85 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. South wind 3 to 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southwest wind around 7 mph.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, partly cloudy, with a low around 66. Calm wind.
Monday
Areas of dense fog before 9am. Otherwise, mostly sunny, with a high near 85. Light east wind.
Monday Night
Partly cloudy, with a low around 68. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 71. South wind 3 to 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South southwest wind around 7 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Jacksonville IL
 39.7°N 90.24°W (Elev. 650 ft)
Last Update:
10:41 pm CDT Jul 13, 2025
Forecast Valid:
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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