Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fog/Mist

79°F

26°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 79°F (26°C)
Visibility 5.00 mi
Heat Index84°F (29°C)
Last update 26 Jul 8:55 am CDT
Extended Forecast for

Cave-In-Rock IL

Extreme Heat Warning July 26, 11:00am until July 28, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A slight chance of showers and thunderstorms between 11am and noon.  Mostly sunny, with a high near 93. Heat index values as high as 109. Light and variable wind.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms between 1pm and 2pm.  Mostly sunny, with a high near 96. Heat index values as high as 113. Calm wind becoming southwest 5 to 7 mph in the morning.  Chance of precipitation is 30%.

    High: 96 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. South southwest wind around 6 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Northwest wind 5 to 8 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the morning.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. Light north northeast wind.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 11am and noon. Mostly sunny, with a high near 93. Heat index values as high as 109. Light and variable wind. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 75. Calm wind.
Monday
A chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 96. Heat index values as high as 113. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 78. South southwest wind around 6 mph.
Tuesday
Sunny, with a high near 94. Northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 70. North northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Clear, with a low around 65. Light north northeast wind.
Thursday
Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
7:31 am CDT Jul 26, 2026
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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