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.

Sky Obscured

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 59°F (15°C)
Visibility 0.75 mi
Last update 3 Aug 3:35 am CDT
Extended Forecast for

2 Miles S South Jacksonville IL

  • Overnight

    Overnight: Patchy dense fog. Otherwise, mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 83. Light east northeast wind.

    High: 83 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind around 6 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. South southeast wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. South wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly clear, with a low around 59. Calm wind.
Monday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 83. Light east northeast wind.
Monday Night
Mostly clear, with a low around 62. Southeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 86. South wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 64. South southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 86. South wind 3 to 6 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S South Jacksonville IL
 39.68°N 90.21°W (Elev. 646 ft)
Last Update:
3:36 am CDT Aug 3, 2026
Forecast Valid:
3am CDT Aug 3, 2026-6pm CDT Aug 9, 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