Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed NE 9 mph
Barometer 30.27 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 16 Sep 6:55 pm CDT
Extended Forecast for

Coal City IL

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall.  Low around 68. East northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    Isolated
    T-storms then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall.  High near 80. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Heavy Rain
    then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. East wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: Scattered showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. Southeast wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then
    Scattered
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Scattered
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 77.

    High: 77 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Low around 68. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall. High near 80. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 64. Northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Partly sunny, with a high near 80. East wind 5 to 10 mph.
Friday Night
Scattered showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A chance of showers before 1pm. Mostly cloudy, with a high near 74.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58.
Tuesday
A chance of showers. Partly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Coal City IL
 41.29°N 88.27°W
4:46 pm CDT Sep 16, 2026
7pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database