Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed W 6 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 16 Aug 8:35 am CDT
Extended Forecast for

3 Miles W Cave In Rock IL

Extreme Heat Warning August 16, 08:58am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 16, 08:58am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 96 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 8am.  Mostly sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Light north wind.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 69. Light northeast wind.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 96. Heat index values as high as 106. West southwest wind 3 to 6 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 87. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. Light north wind.
Tuesday
Sunny, with a high near 88. Calm wind.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Light northeast wind.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Light north northeast wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Cave In Rock IL
 37.53°N 88.28°W
6:51 am CDT Aug 16, 2026
8am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database