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.

Fog/Mist

72°F

22°C

Humidity 98%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 71°F (22°C)
Visibility 3.00 mi
Last update 14 Jul 6:15 am CDT
Extended Forecast for

Harrisburg IL

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 88. Light west southwest wind. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Light south southwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Southwest wind 3 to 7 mph.

    High: 93 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 88. Light west southwest wind. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Light south southwest wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Southwest wind 3 to 7 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light south wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light south southwest wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.72°N 88.55°W
Last Update:
5:47 am CDT Jul 14, 2025
Forecast Valid:
6am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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