National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

80°F

27°C

Humidity 60%
Wind Speed NE 3 mph
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Aug 7:15 pm CDT
Extended Forecast for

Cave-In-Rock IL

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between midnight and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 87. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light north wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 61. Light northeast wind.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light east northeast wind.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Mostly sunny, with a high near 90. Light and variable wind.
Wednesday Night
A chance of showers and thunderstorms between midnight and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Thursday
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 87. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 64. Light north wind.
Friday
Sunny, with a high near 87. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Clear, with a low around 61. Light northeast wind.
Saturday
Sunny, with a high near 88. Light east northeast wind.
Saturday Night
Mostly clear, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 92. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
Sunny, with a high near 93. Southwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Mostly sunny, with a high near 93. Calm wind becoming west southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.15°W
Last Update:
7:06 pm CDT Aug 25, 2026
Forecast Valid:
7pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation