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.

Partly Cloudy

79°F

26°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 8:35 am CDT
Extended Forecast for

Harrisburg IL

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West southwest wind 3 to 7 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 89. Light and variable wind. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 73. Light south wind. Chance of precipitation is 60%.
Wednesday
A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West southwest wind 3 to 7 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light and variable wind.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 89. Light and variable wind. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 75. South wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. South southwest wind 5 to 8 mph.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southwest wind 5 to 7 mph.
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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:
5:47 am CDT Jul 15, 2025
Forecast Valid:
8am CDT Jul 15, 2025-6pm CDT Jul 21, 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