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.

Fair

74°F

23°C

Humidity 59%
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Aug 3:35 pm CDT
Extended Forecast for

Jacksonville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 80. Light east wind.

    High: 80 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 61 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Southeast wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. East southeast wind 3 to 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny through mid morning, then becoming sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. West northwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. North northwest wind 3 to 8 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 80. Light east wind.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 61. Calm wind becoming east southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 84. Southeast wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 66. East southeast wind 3 to 6 mph.
Wednesday
Partly sunny through mid morning, then becoming sunny, with a high near 88. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 64. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. North northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 92.
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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:
3:37 pm CDT Aug 24, 2026
Forecast Valid:
3pm CDT Aug 24, 2026-6pm CDT Aug 30, 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