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.

Fair

37°F

3°C

Humidity 50%
Wind Speed SE 13 G 18 mph
Barometer 30.18 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 8 Feb 11:55 am CST
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 41. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. East southeast wind 5 to 9 mph, with gusts as high as 17 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. North northwest wind around 8 mph, with gusts as high as 15 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. North wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. North northeast wind around 6 mph.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 41. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 25. East southeast wind 5 to 9 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 50. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Mostly clear, with a low around 38. South wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 53. North northwest wind around 8 mph, with gusts as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 30. North wind around 6 mph.
Wednesday
Partly sunny, with a high near 47. North northeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 44.
Thursday Night
A chance of rain and snow before midnight, then a chance of rain. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 46.
Friday Night
A chance of rain. Partly cloudy, with a low around 29.
Saturday
A chance of rain. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.73°N 90.24°W (Elev. 607 ft)
Last Update:
11:36 am CST Feb 8, 2026
Forecast Valid:
12pm CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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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