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

82°F

28°C

Humidity 65%
Wind Speed SE 6 mph
Barometer 29.99 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Jul 10:35 am CDT
Extended Forecast for

Harrisburg-Raleigh Airport IL

  • Today

    Today: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 87. South wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Low around 70. Southeast wind around 8 mph. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind 6 to 10 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 81. North northwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. North wind 5 to 10 mph becoming light in the evening.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent 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

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 87. South wind 5 to 7 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms, mainly before 4am. Low around 70. Southeast wind around 8 mph. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Sunday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 81. North northwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 65. North wind 5 to 10 mph becoming light in the evening.
Monday
A 30 percent 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. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 66. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Mostly sunny, with a high near 92. Calm wind becoming south southwest 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:
8:06 am CDT Jul 31, 2026
Forecast Valid:
10am CDT Jul 31, 2026-6pm CDT Aug 6, 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