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

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

78°F

26°C

Humidity 61%
Wind Speed E 7 mph
Barometer 30.08 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 2:15 pm CDT
Extended Forecast for

Cave-In-Rock IL

  • Memorial Day

    Memorial Day: Mostly cloudy, with a high near 79. Northeast wind around 5 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 77. Light east wind. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Light east northeast wind.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75. East northeast wind 3 to 6 mph.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Memorial Day
Mostly cloudy, with a high near 79. Northeast wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. Calm wind.
Tuesday
Showers and thunderstorms likely before 10am, then showers likely and possibly a thunderstorm between 10am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 77. Light east wind. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Calm wind becoming northeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 64. Light east northeast wind.
Friday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 75. East northeast wind 3 to 6 mph.
Friday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 78. Northeast wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 59. Northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 78. Northeast wind 6 to 9 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:
1:26 pm CDT May 25, 2026
Forecast Valid:
2pm CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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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