Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Flora Municipal Airport (KFOA)

Lat: 38.67°NLon: 88.45°WElev: 459ft.

Fair

72°F

22°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.10 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Sep 12:35 am CDT
Extended Forecast for

Louisville IL

  • Overnight

    Overnight: Mostly clear, with a low around 71. South wind around 6 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 96. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am.  Low around 68. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: Showers, mainly before 1pm.  High near 82. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 71. South wind around 6 mph, with gusts as high as 15 mph.
Wednesday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 96. Heat index values as high as 102. Southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 68. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, mainly before 1pm. High near 82. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 62. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Louisville IL
 38.76°N 88.52°W (Elev. 499 ft)
12:36 am CDT Sep 9, 2026
12am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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