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.

Partly Cloudy

88°F

31°C

Humidity 46%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Jul 12:15 pm CDT
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 92. Light southeast wind.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Light south wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light north wind.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Calm wind.
Tonight
Clear, with a low around 70. Calm wind.
Independence Day
Sunny, with a high near 92. Light southeast wind.
Friday Night
Clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 7 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light north 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 90. Light and variable wind.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming west northwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
12:00 pm CDT Jul 3, 2025
Forecast Valid:
12pm CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation