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 93%
Wind Speed N 18 G 23 mph
Barometer 30.28 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 27 Mar 5:35 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 35. North northeast wind around 18 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 50. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 50 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 17 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 42. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 65. South wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. South southeast wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 35. North northeast wind around 18 mph, with gusts as high as 29 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 50. North northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 28. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 53. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 17 mph.
Saturday Night
Increasing clouds, with a low around 42. South wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 65. South wind 13 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 54. South southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 84. Breezy.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 58.
Wednesday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 72.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 47.
Thursday
Rain likely. Mostly cloudy, with a high near 62.
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:
3:03 am CDT Mar 27, 2026
Forecast Valid:
5am CDT Mar 27, 2026-6pm CDT Apr 2, 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