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.

N/A

Humidity NA
Wind Speed E 3 mph
Barometer 30.02 in
Dewpoint N/A
Visibility NA
Last update 4 Aug 4:35 pm CDT
Extended Forecast for

Cave-In-Rock IL

  • Tonight

    Tonight: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 88. Calm wind becoming southwest around 5 mph.

    High: 88 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 64. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 88. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Increasing clouds, with a high near 88. Calm wind becoming southwest around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. Light south southwest wind.
Monday
Sunny, with a high near 92. South southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind around 6 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
Last Update:
4:16 pm CDT Aug 4, 2026
Forecast Valid:
5pm CDT Aug 4, 2026-6pm CDT Aug 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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