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

70°F

21°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Aug 6:35 am CDT
Extended Forecast for

South Jacksonville IL

  • Today

    Today: Partly sunny, with a high near 86. Southwest wind around 6 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Northwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 91. South wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 86. Southwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 69. South wind 5 to 9 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 87. Northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 68. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 91. South wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 92. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
South Jacksonville IL
 39.7°N 90.21°W (Elev. 591 ft)
Last Update:
3:29 am CDT Aug 7, 2026
Forecast Valid:
6am CDT Aug 7, 2026-6pm CDT Aug 13, 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