Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

48°F

9°C

Humidity 79%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 30 Apr 1:55 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light north wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming north northeast around 6 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am.  Partly cloudy, with a low around 47. Light and variable wind.  Chance of precipitation is 20%.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 64. North wind 5 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. North wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly clear, with a low around 54. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light north wind.
Thursday
Sunny, with a high near 66. Calm wind becoming north northeast around 6 mph.
Thursday Night
A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 64. North wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 42. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 62. Calm wind becoming north northwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 39. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 54. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. South southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind around 13 mph, with gusts as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
1:26 am CDT Apr 30, 2026
2am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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