Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

93°F

34°C

Humidity 60%
Wind Speed S 9 mph
Barometer 29.92 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 11 Aug 4:55 pm CDT
Extended Forecast for

4 Miles NNE Chester IL

Extreme Heat Warning August 11, 05:11pm until August 12, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 11, 05:11pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly before 11am.  Sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    High: 97 °F

    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind around 6 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. South wind 3 to 7 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind 5 to 8 mph.
Wednesday
Scattered showers and thunderstorms, mainly before 11am. Sunny and hot, with a high near 97. Heat index values as high as 111. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 75. South wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 75. South wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Chester IL
 37.96°N 89.81°W (Elev. 499 ft)
5:06 pm CDT Aug 11, 2026
5pm CDT Aug 11, 2026-6pm CDT Aug 18, 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