Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

44°F

7°C

Humidity 92%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 2 May 12:35 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: A chance of sprinkles after 4am.  Mostly cloudy, with a steady temperature around 46. Calm wind.

    Low: 46 °F

    Chance
    Sprinkles

  • Saturday

    Saturday: A chance of rain and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm.  Partly sunny, with a high near 62. Calm wind becoming north 5 to 8 mph in the afternoon.  Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Saturday Night

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

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am.  Partly cloudy, with a low around 56. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 80. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 71. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 50. West southwest wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Showers

Detailed Forecast

Overnight
A chance of sprinkles after 4am. Mostly cloudy, with a steady temperature around 46. Calm wind.
Saturday
A chance of rain and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 62. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 39. North wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 71. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 56. South southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. South southwest wind 8 to 16 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 71. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. West southwest wind 8 to 11 mph becoming north after midnight. Winds could gust as high as 21 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 66. North wind around 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 3 to 6 mph.
Friday
Sunny, with a high near 71. West southwest wind 5 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
10:41 pm CDT May 1, 2026
12am CDT May 2, 2026-6pm CDT May 8, 2026
 
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Additional Resources

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