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

43°F

6°C

Humidity 48%
Wind Speed N 15 G 20 mph
Barometer 30.37 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Apr 2:35 am CDT
Extended Forecast for

South Jacksonville IL

  • Overnight

    Overnight: Rain likely, mainly after 4am. Cloudy, with a low around 35. North northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain and snow likely before 11am, then a slight chance of rain between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 49. East wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South southeast wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75. South southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 55. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Rain likely, mainly after 4am. Cloudy, with a low around 35. North northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and snow likely before 11am, then a slight chance of rain between 11am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 49. East wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 38. East southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 71. South southeast wind 14 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 53. South southwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75. South southwest wind around 10 mph, with gusts as high as 18 mph.
Thursday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 55. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A chance of showers. Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62.
Monday
A chance of showers. Partly sunny, with a high near 82. Breezy.
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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 CDT Apr 7, 2026
Forecast Valid:
2am CDT Apr 7, 2026-6pm CDT Apr 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