National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

93°F

34°C

Humidity 70%
Wind Speed SW 6 mph
Barometer 29.94 in
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index116°F (47°C)
Last update 26 Jul 11:15 am CDT
Extended Forecast for

Chester ILSimilar City Names

Extreme Heat Warning until July 27, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until July 27, 09:00pm

    NOW until 9:00pm Mon

    Extreme Heat Warning

  • Today

    High: 95 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 3 to 7 mph.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South wind around 7 mph becoming west after midnight.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. North wind 6 to 8 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Today
Isolated showers and thunderstorms after 1pm. Mostly cloudy early, then becoming sunny, with a high near 95. Heat index values as high as 112. Calm wind. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 76. Light and variable wind. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 78. South wind around 7 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 93. North wind 6 to 8 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 88.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chester ILSimilar City Names
 37.92°N 89.81°W (Elev. 597 ft)
Last Update:
8:46 am CDT Jul 26, 2026
Forecast Valid:
11am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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