Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

46°F

8°C

Humidity 49%
Wind Speed NE 8 mph
Barometer 30.39 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 23 Mar 7:35 pm CDT
Extended Forecast for

Harrisburg IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East northeast wind 5 to 8 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 63. East wind 3 to 5 mph.

    High: 63 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. Light east wind.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 45. South southwest wind around 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 54. North wind around 17 mph, with gusts as high as 26 mph.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. North wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. East northeast wind 5 to 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 63. East wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 44. Light east wind.
Wednesday
Mostly sunny, with a high near 74. Calm wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 61. South wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 45. South southwest wind around 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. North wind around 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 32. North wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 57. Northeast wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 37. Light east southeast wind.
Sunday
Mostly sunny, with a high near 65. South wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 48. South southeast wind 3 to 6 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 71. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
7:36 pm CDT Mar 23, 2026
7pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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