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

45°F

7°C

Humidity 85%
Wind Speed S 5 mph
Barometer 29.91 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Nov 4:55 am CST
Extended Forecast for

Jacksonville IL

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 64. South wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 47. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 47 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. North northwest wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Light north northwest wind.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. Calm wind.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Increasing clouds, with a high near 64. South wind 7 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Tonight
Mostly cloudy, with a low around 39. North northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 47. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 29. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 44. North northwest wind 6 to 9 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 23. Light north northwest wind.
Saturday
Sunny, with a high near 46. Calm wind.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 52.
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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:
3:16 am CST Nov 11, 2026
Forecast Valid:
5am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation