National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Mostly Cloudy

82°F

28°C

Humidity 52%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Aug 5:55 pm CDT
Extended Forecast for

3 Miles S Harrisburg IL

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Light north northwest wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Light north wind.

    Low: 51 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. Calm wind.
Sunday
Sunny, with a high near 81. Light north northwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 79. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming north northwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 51. Light north wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 81. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 57. Calm wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 82. Calm wind becoming east southeast around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Harrisburg IL
 37.68°N 88.56°W
Last Update:
4:31 pm CDT Aug 22, 2025
Forecast Valid:
6pm CDT Aug 22, 2025-6pm CDT Aug 29, 2025
 
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Additional Resources

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