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

77°F

25°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 29.96 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 May 10:15 am CDT
Extended Forecast for

Cave In Rock IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Partly sunny, with a high near 84. South southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 65. South wind around 6 mph.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 87. South wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 87 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 8 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 87 °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 71. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 71 °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 86. South southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 8 mph becoming west after midnight.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. North northwest wind around 7 mph.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Partly sunny, with a high near 84. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 65. South wind around 6 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 87. South wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 8 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 9 to 11 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 71. South wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 8 mph becoming west after midnight.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. North northwest wind around 7 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. North wind around 7 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 73. North northeast wind around 7 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 56. Northeast wind 3 to 6 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 76. Northeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cave In Rock IL
 37.53°N 88.26°W
Last Update:
8:41 am CDT May 16, 2026
Forecast Valid:
10am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation