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.

Fair

74°F

23°C

Humidity 63%
Wind Speed W 3 mph
Barometer 30.05 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Sep 10:55 am CDT
Extended Forecast for

Jacksonville IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Southwest wind around 6 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 7am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 63. Light south southwest wind. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 80. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 62. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 81. South southwest wind around 7 mph.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Southwest wind around 6 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers between 7am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 63. Light south southwest wind. Chance of precipitation is 40%.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 80. Southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 62. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 81. South southwest wind around 7 mph.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
10:40 am CDT Sep 19, 2025
Forecast Valid:
11am CDT Sep 19, 2025-6pm CDT Sep 25, 2025
 
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