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

76°F

24°C

Humidity 28%
Wind Speed SW 9 mph
Barometer 30.20 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 9 Apr 5:55 pm CDT
Extended Forecast for

Cave-In-Rock IL

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 5 to 7 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 80. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Light north northeast wind. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Light east southeast wind.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. South southwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 5 to 7 mph.
Friday
A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 80. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Light north northeast wind. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 60. Light east southeast wind.
Sunday
Partly sunny, with a high near 83. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind around 9 mph, with gusts as high as 18 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 9 mph, with gusts as high as 18 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind 5 to 8 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
Last Update:
5:26 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation