National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

42°F

6°C

Humidity 82%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Nov 2:35 am CST
Extended Forecast for

South Jacksonville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 42. South wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 65. South wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 65 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. North northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 43. North northwest wind 6 to 11 mph, with gusts as high as 16 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Light north northwest wind.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. South wind 3 to 5 mph.
Veterans Day
Increasing clouds, with a high near 65. South wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 39. North northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday
Mostly cloudy, with a high near 47. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 28. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 43. North northwest wind 6 to 11 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 23. Light north northwest wind.
Saturday
Sunny, with a high near 46.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 52.
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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:
1:26 am CST Nov 11, 2026
Forecast Valid:
2am CST Nov 11, 2026-6pm CST Nov 17, 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