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 >

Current conditions at

Flora Municipal Airport (KFOA)

Lat: 38.67°NLon: 88.45°WElev: 459ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed NW 6 mph
Barometer 30.24 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 16 Sep 5:35 pm CDT
Extended Forecast for

Louisville IL

Heat Advisory until September 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 103. Light and variable wind becoming west around 6 mph in the morning.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 93. North northeast wind around 5 mph becoming calm  in the morning.

    High: 93 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. Calm wind becoming east around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 97. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Light south southwest wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 103. Light and variable wind becoming west around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 71. Light and variable wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 93. North northeast wind around 5 mph becoming calm in the morning.
Friday Night
Partly cloudy, with a low around 70. Calm wind becoming east around 5 mph.
Saturday
Mostly sunny and hot, with a high near 97. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 71. Light and variable wind.
Sunday
Partly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Partly sunny, with a high near 89.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville IL
 38.76°N 88.52°W (Elev. 499 ft)
4:16 pm CDT Sep 16, 2026
6pm 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