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

84°F

29°C

Humidity 64%
Wind Speed SE 6 mph
Barometer 30.15 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 6 Aug 6:10 pm CDT
Extended Forecast for

Chapin IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 70. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 90. South wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. South wind around 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91. South southeast wind 7 to 10 mph, with gusts as high as 16 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 17 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91. South wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South southeast wind around 9 mph, with gusts as high as 17 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 70. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 90. South wind 6 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 72. South wind around 7 mph.
Friday
Sunny, with a high near 91. South southeast wind 7 to 10 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 74. South southeast wind around 10 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 91. South wind 9 to 11 mph, with gusts as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 73. South southeast wind around 9 mph, with gusts as high as 17 mph.
Sunday
Partly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chapin IL
 39.77°N 90.41°W (Elev. 627 ft)
Last Update:
6:27 pm CDT Aug 6, 2025
Forecast Valid:
6pm CDT Aug 6, 2025-6pm CDT Aug 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation