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

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

76°F

24°C

Humidity 81%
Wind Speed S 7 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 14 Oct 12:15 am CDT
Extended Forecast for

Chester IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 70. South wind around 6 mph.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. West wind around 6 mph becoming southwest in the morning. Chance of precipitation is 90%.

    High: 81 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 65. North wind around 5 mph becoming light and variable after midnight.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Partly sunny during the morning, then sunny during the afternoon, with a high near 86. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. Southwest wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 70. South wind around 6 mph.
Wednesday
Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. West wind around 6 mph becoming southwest in the morning. Chance of precipitation is 90%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog between midnight and 3am. Otherwise, mostly cloudy, with a low around 65. North wind around 5 mph becoming light and variable after midnight.
Thursday
Showers and thunderstorms likely, mainly before 11am. Partly sunny during the morning, then sunny during the afternoon, with a high near 86. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 51. Southwest wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chester IL
 37.92°N 89.81°W (Elev. 597 ft)
Last Update:
11:11 pm CDT Oct 13, 2026
Forecast Valid:
12am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation