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Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed SW 10 mph
Barometer 29.96 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Oct 3:15 am CDT
Extended Forecast for

Jacksonville IL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 4am. Cloudy, with a low around 67. Light north northwest wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 4pm, then a chance of showers. Mostly cloudy, with a high near 74. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East northeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 76. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Mostly cloudy, with a low around 44. Breezy, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 36 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 36.

    Low: 36 °F

    Clear then
    Areas Frost

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 4am. Cloudy, with a low around 67. Light north northwest wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 4pm, then a chance of showers. Mostly cloudy, with a high near 74. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. East northeast wind around 7 mph. Chance of precipitation is 40%.
Thursday
Showers and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 76. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Mostly cloudy, with a low around 44. Breezy, with a northwest wind 8 to 13 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 57. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 36 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. North northwest wind 8 to 13 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 60.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 36.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 77.
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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:
3:01 am CDT Oct 14, 2026
Forecast Valid:
3am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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