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.

Fair

88°F

31°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 29.97 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 17 Aug 7:15 pm CDT
Extended Forecast for

Rockwood IL

Heat Advisory August 17, 07:34pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 07:34pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind.

    High: 97 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light southeast wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Light and variable wind.

    High: 95 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind.
Monday Night
Mostly clear, with a low around 74. Light southeast wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Light and variable wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rockwood IL
 37.85°N 89.7°W (Elev. 420 ft)
Last Update:
5:31 pm CDT Aug 17, 2025
Forecast Valid:
7pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation