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

77°F

25°C

Humidity 81%
Wind Speed S 3 mph
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Oct 12:35 am CDT
Extended Forecast for

Prairie du Rocher IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 71. South wind 3 to 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. High near 80. West wind 3 to 7 mph. Chance of precipitation is 90%.

    High: 80 °F

    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog between 1am and 3am. Otherwise, cloudy during the early evening, then clearing, with a low around 65. Light and variable wind becoming northeast around 5 mph.

    Low: 65 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy during the morning, then sunny during the afternoon, with a high near 87. East wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 50. West wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy.

    High: 62 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °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 71. South wind 3 to 5 mph.
Wednesday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. High near 80. West wind 3 to 7 mph. Chance of precipitation is 90%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Patchy fog between 1am and 3am. Otherwise, cloudy during the early evening, then clearing, with a low around 65. Light and variable wind becoming northeast around 5 mph.
Thursday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy during the morning, then sunny during the afternoon, with a high near 87. East wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 50. West wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 62. Breezy.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Prairie du Rocher IL
 38.08°N 90.09°W (Elev. 397 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