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

80°F

27°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jun 10:35 pm CDT
Extended Forecast for

3 Miles SSE Cave In Rock IL

Extreme Heat Warning June 30, 10:42pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 10:42pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 109. Light and variable wind.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 109. Calm wind.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind.

    High: 93 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 73. Calm wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 109. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 95. Heat index values as high as 109. Calm wind.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.
Independence Day
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light west southwest wind.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light west wind.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light west southwest wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Cave In Rock IL
 37.51°N 88.23°W
Last Update:
2:20 pm CDT Jun 30, 2026
Forecast Valid:
10pm CDT Jun 30, 2026-6pm CDT Jul 7, 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