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.

Mostly Cloudy

82°F

28°C

Humidity 80%
Wind Speed SW 15 G 21 mph
Barometer 29.62 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Jun 12:35 am CDT
Extended Forecast for

Cave-In-Rock IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 74. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 74 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. West southwest wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 63. Light north wind. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. Light north wind.

    High: 83 °F

    Sunny

  • Friday Night

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

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 69. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 74. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. West southwest wind 5 to 7 mph becoming light and variable in the afternoon. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 63. Light north wind. Chance of precipitation is 20%.
Juneteenth
Sunny, with a high near 83. Light north wind.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light and variable wind.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Calm wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 69. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. West southwest wind around 9 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 63. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Light northwest wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Cave-In-Rock IL
 37.46°N 88.18°W
Last Update:
12:36 am CDT Jun 18, 2026
Forecast Valid:
12am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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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