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

74°F

23°C

Humidity 64%
Wind Speed S 10 mph
Barometer 29.89 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 May 2:15 am CDT
Extended Forecast for

Cave-In-Rock IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a steady temperature around 70. South wind around 9 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 86. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. South southeast wind 3 to 7 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 72. South wind around 8 mph.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind 3 to 7 mph.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a steady temperature around 70. South wind around 9 mph, with gusts as high as 20 mph.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 86. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 66. South southeast wind 3 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 72. South wind around 8 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind 3 to 7 mph.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Northwest wind 5 to 7 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. North wind 3 to 6 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 75. North northeast wind around 7 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
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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:
1:21 am CDT May 16, 2026
Forecast Valid:
2am CDT May 16, 2026-6pm CDT May 22, 2026
 
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Additional Resources

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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