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

81°F

27°C

Humidity 67%
Wind Speed S 8 mph
Barometer 29.96 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 Jun 11:30 pm CDT
Extended Forecast for

Chapin IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 73. South wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 86. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Mostly cloudy, with a low around 71. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Southwest wind 3 to 5 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light south southwest wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind 5 to 7 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. South southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 73. South wind around 7 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 86. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Mostly cloudy, with a low around 71. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 89. Southwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 71. Light south southwest wind.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South wind 5 to 7 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. South southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapin IL
 39.78°N 90.44°W (Elev. 630 ft)
Last Update:
11:27 pm CDT Jun 26, 2025
Forecast Valid:
11pm CDT Jun 26, 2025-6pm CDT Jul 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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