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 76%
Wind Speed SE 6 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 8:35 pm CDT
Extended Forecast for

Harrisburg IL

Heat Advisory June 21, 12:00pm until June 24, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South wind 6 to 9 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. South southwest wind 6 to 8 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Light south southwest wind.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 74. South wind around 6 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 106. South southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 9 mph.
Sunday
Sunny, with a high near 94. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 93. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93. Light south southwest wind.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny, with a high near 93. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. Light south wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. South southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.72°N 88.55°W
Last Update:
6:00 pm CDT Jun 20, 2025
Forecast Valid:
8pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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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