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.

Overcast

37°F

3°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 30.22 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 2 Mar 3:15 pm CST
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 42. East wind around 7 mph.

    High: 42 °F

    Cloudy

  • Tonight

    Tonight: Showers, mainly after 5am. Low around 37. East southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Cloudy then
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 3pm. High near 52. East southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Patchy fog. Low around 44. East northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 3pm. Patchy fog before 7am. High near 60. East wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 51. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 65. West southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Cloudy, with a high near 42. East wind around 7 mph.
Tonight
Showers, mainly after 5am. Low around 37. East southeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 3pm. High near 52. East southeast wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers before 9pm, then showers and possibly a thunderstorm between 9pm and 3am, then showers after 3am. Patchy fog. Low around 44. East northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 3pm. Patchy fog before 7am. High near 60. East wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 51. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 65. West southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 51.
Friday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.
Saturday
Showers likely. Cloudy, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 63.
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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:
1:26 pm CST Mar 2, 2026
Forecast Valid:
3pm CST Mar 2, 2026-6pm CDT Mar 8, 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