Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Mostly Cloudy

79°F

26°C

Humidity 75%
Wind Speed NE 6 mph
Barometer 29.96 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Jun 6:35 pm CDT
Extended Forecast for

4 Miles NW Harrisburg IL

Flood Watch until June 27, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 27, 07:00am

    NOW until 7:00am Sat

    Flood Watch

  • Tonight

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 85. South wind 5 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am.  Low around 72. West southwest wind 5 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%.

    Low: 72 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 87. West southwest wind 3 to 7 mph.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of thunderstorms before 7am.  Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    High: 93 °F

    Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 70. South southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. South wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Low around 72. West southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. West southwest wind 3 to 7 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Sunday
A chance of thunderstorms before 7am. Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 75. South southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Clear, with a low around 76. Light south southwest wind.
Tuesday
Sunny and hot, with a high near 98. Light south southwest wind.
Tuesday Night
Clear, with a low around 77. Light and variable wind.
Wednesday
Sunny and hot, with a high near 98. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 77. Calm wind.
Thursday
Sunny and hot, with a high near 98. Light and variable wind.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Harrisburg IL
 37.77°N 88.61°W
6:36 pm CDT Jun 25, 2026
6pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database