Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

90°F

32°C

Humidity 50%
Wind Speed S 14 mph
Barometer 29.94 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 13 Oct 3:55 pm CDT
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Southwest wind around 11 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South southwest wind around 5 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 83. Southwest wind 5 to 8 mph becoming northwest in the afternoon.  Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 54. South southwest wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 40%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. Breezy, with a north northwest wind 17 to 21 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northeast wind 3 to 8 mph.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Southwest wind around 11 mph.
Tonight
Increasing clouds, with a low around 72. South southwest wind around 5 mph.
Wednesday
Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. High near 83. Southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. South southwest wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 63. Breezy, with a north northwest wind 17 to 21 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 39. North wind 6 to 15 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 62. Northeast wind 3 to 8 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 70. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming south southwest 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
1:56 pm CDT Oct 13, 2026
4pm CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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Additional Resources

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