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

42°F

6°C

Humidity 70%
Wind Speed S 12 mph
Barometer 29.85 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Feb 2:55 am CST
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Mostly clear, with a low around 41. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North northwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Northwest wind 3 to 6 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 30. Light and variable wind.

    Low: 30 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 47. Southeast wind 3 to 7 mph.

    High: 47 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. East southeast wind around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 53. Southwest wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 27. North northwest wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 47. Northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 30. Light and variable wind.
Thursday
Cloudy, with a high near 47. Southeast wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 30. East southeast wind around 6 mph.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Mostly cloudy, with a low around 34.
Sunday
A chance of rain. Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 31.
Washington's Birthday
Mostly sunny, with a high near 55.
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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:
2:36 am CST Feb 10, 2026
Forecast Valid:
3am CST Feb 10, 2026-6pm CST Feb 16, 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