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.

Partly Cloudy

87°F

31°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 29.96 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 9 Jul 12:35 pm CDT
Extended Forecast for

Cave-In-Rock IL

Flood Watch July 9, 01:00pm until July 12, 01:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 72 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. High near 88. West southwest wind 3 to 8 mph. Chance of precipitation is 80%.

    High: 88 °F

    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 70 °F

    T-storms
    Likely then
    Heavy Rain

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.

    High: 86 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Light north northeast wind.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming east northeast 5 to 7 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.
Friday
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. High near 88. West southwest wind 3 to 8 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Light north northeast wind.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming east northeast 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 68. Light north wind.
Tuesday
Sunny, with a high near 87. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny, with a high near 88. Light and variable wind.
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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:
12:11 pm CDT Jul 9, 2026
Forecast Valid:
12pm CDT Jul 9, 2026-6pm CDT Jul 15, 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