National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Partly Cloudy

81°F

27°C

Humidity 61%
Wind Speed E 5 mph
Barometer 30.18 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Aug 5:30 pm CDT
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light south southeast wind.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. Light southeast wind.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. South wind 3 to 6 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. South southeast wind around 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 90. South wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Light south southeast wind.
Wednesday Night
Partly cloudy, with a low around 69. Light southeast wind.
Thursday
Sunny, with a high near 89. South wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 71. South southeast wind around 6 mph.
Friday
Sunny, with a high near 90. South wind 6 to 9 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 73.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
A chance of showers. Partly cloudy, with a low around 71.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
4:40 pm CDT Aug 5, 2025
Forecast Valid:
5pm CDT Aug 5, 2025-6pm CDT Aug 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation