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Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

67°F

19°C

Humidity 69%
Wind Speed S 6 mph
Barometer 30.04 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 11 Oct 10:15 am CDT
Extended Forecast for

Chapin IL

  • Today

    Today: Sunny, with a high near 86. South southwest wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. South southeast wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 91. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. West wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely after 1am.  Increasing clouds, with a low around 66. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers.  High near 78. North northeast wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely.  Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 86. South southwest wind 3 to 5 mph.
Tonight
Increasing clouds, with a low around 65. South southeast wind 5 to 7 mph, with gusts as high as 15 mph.
Columbus Day
Mostly sunny, with a high near 91. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 72. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 90. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely after 1am. Increasing clouds, with a low around 66. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 78. North northeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Chapin IL
 39.77°N 90.41°W (Elev. 627 ft)
9:37 am CDT Oct 11, 2026
10am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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