National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

84°F

29°C

Humidity 51%
Wind Speed S 5 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Oct 11:35 am CDT
Extended Forecast for

Jacksonville IL

  • Today

    Today: Sunny, with a high near 93. West southwest wind around 8 mph, with gusts as high as 15 mph.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 68. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 76. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely after 1am. Mostly cloudy, with a low around 61. East northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 76. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 47. Northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 60. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 60 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Areas Frost
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 93. West southwest wind around 8 mph, with gusts as high as 15 mph.
Tonight
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 68. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 76. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely after 1am. Mostly cloudy, with a low around 61. East northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 4pm, then showers and possibly a thunderstorm after 4pm. High near 76. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 47. Northwest wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 60. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 36 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 62.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
8:36 am CDT Oct 13, 2026
Forecast Valid:
11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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