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 74%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 Jun 7:35 pm CDT
Extended Forecast for

Cave In Rock IL

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, then becoming mostly cloudy toward daybreak, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 70. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 70 °F

    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North northwest wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light north wind.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 84. Calm wind.
Saturday Night
Clear, then becoming mostly cloudy toward daybreak, with a low around 66. Calm wind.
Sunday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 70. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 63. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 79. Light north wind.
Tuesday Night
Partly cloudy, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 81. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 63. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 81. Light and variable wind.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Calm wind becoming south around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave In Rock IL
 37.55°N 88.23°W
Last Update:
3:01 pm CDT Jun 19, 2026
Forecast Valid:
7pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation