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.

Mostly Cloudy

69°F

21°C

Humidity 98%
Wind Speed SW 13 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jun 9:10 pm CDT
Extended Forecast for

4 Miles NW Chapin IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West northwest wind around 8 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 6 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. South wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind 6 to 8 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Juneteenth
Sunny, with a high near 83. West northwest wind around 8 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 88. South wind 7 to 13 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 74. South wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 92. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 75. South wind around 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Chapin IL
 39.82°N 90.46°W (Elev. 509 ft)
Last Update:
7:40 pm CDT Jun 18, 2025
Forecast Valid:
9pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation