Dangerous Heat in the Central and Southern U.S.; Thunderstorms and Heavy Rain in the Northern Plains

Dangerous, prolonged heat is expected across portions of the Central and Southeast U.S. through July. Scattered severe thunderstorms are expected over parts of the northern Plains into the upper Mississippi Valley Tuesday, with damaging winds and large hail as the primary threats. Heavy rainfall could lead to areas of flooding across the northern Plains, Upper Midwest, Southeast and Southwest. Read More >

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

80°F

27°C

Humidity 92%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Jul 8:55 pm CDT
Extended Forecast for

2 Miles ESE Rockwood IL

Extreme Heat Warning July 21, 09:05pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 21, 09:05pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 94. Heat index values as high as 107. East southeast wind 3 to 5 mph.

    High: 94 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 76. East southeast wind around 6 mph becoming calm  in the evening.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 110. Calm wind becoming south around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. South wind 5 to 7 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 75. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 94. Heat index values as high as 107. East southeast wind 3 to 5 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 76. East southeast wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 96. Heat index values as high as 110. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph.
Friday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind 5 to 7 mph.
Friday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. South wind 3 to 6 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light south southwest wind.
Sunday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light southeast wind.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Rockwood IL
 37.83°N 89.68°W
7:31 pm CDT Jul 21, 2025
9pm CDT Jul 21, 2025-6pm CDT Jul 28, 2025
 
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Additional Resources

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Hourly Weather Forecast

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