National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

82°F

28°C

Humidity 68%
Wind Speed E 7 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 30 Jul 10:55 am CDT
Extended Forecast for

Harrisburg-Raleigh Airport IL

  • Today

    Today: Sunny, with a high near 87. East wind around 7 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. South southeast wind 5 to 8 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. West southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. North wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 64. North wind 5 to 9 mph becoming calm in the evening.

    Low: 64 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 87. East wind around 7 mph.
Tonight
Partly cloudy, with a low around 64. Light and variable wind.
Friday
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. South southeast wind 5 to 8 mph. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. West southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 82. North wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 64. North wind 5 to 9 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming north northeast 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 65. Light east northeast wind.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg-Raleigh Airport IL
 37.81°N 88.55°W
Last Update:
10:36 am CDT Jul 30, 2026
Forecast Valid:
11am CDT Jul 30, 2026-6pm CDT Aug 5, 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