Dangerous Heat Continues in the Central and Southern U.S.; Severe Weather 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 today, 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

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Mostly Cloudy

84°F

29°C

Humidity 82%
Wind Speed E 7 mph
Barometer 30.04 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 22 Jul 9:55 am CDT
Extended Forecast for

Cave-In-Rock IL

Heat Advisory July 22, 10:05am until July 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 22, 10:05am until July 24, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Today

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 107. Calm wind.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Calm wind becoming south around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. South southwest wind 3 to 6 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 74. Light south wind.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 106. Light east wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 107. Calm wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 95. Calm wind becoming south around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. South southwest wind 3 to 6 mph.
Friday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Light south wind.
Saturday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Light south southwest wind.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light west wind.
Monday
Sunny, with a high near 94. Calm wind becoming north northwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
6:45 am CDT Jul 22, 2025
10am CDT Jul 22, 2025-6pm CDT Jul 28, 2025
 
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Additional Resources

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Hourly Weather Forecast

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