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

36°F

2°C

Humidity 41%
Wind Speed W 3 mph
Barometer 30.06 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 3 Jan 2:55 pm CST
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. Northwest wind 3 to 6 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 23. North northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 31. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South southeast wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. South wind around 7 mph becoming west in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 36. Northwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 23. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 31. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 53. Southwest wind 6 to 9 mph, with gusts as high as 17 mph.
Monday Night
Mostly cloudy, with a low around 41. South southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 57. South wind around 7 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville IL
 39.75°N 90.24°W (Elev. 581 ft)
Last Update:
2:36 pm CST Jan 3, 2026
Forecast Valid:
3pm CST Jan 3, 2026-6pm CST Jan 9, 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