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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

57°F

14°C

Humidity 40%
Wind Speed W 14 G 18 mph
Barometer 29.96 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 13 Mar 12:15 pm CDT
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. East northeast wind 5 to 9 mph becoming south in the afternoon.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 16 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

    High: 73 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 27. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%.

    Low: 27 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph.

    High: 33 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38. West northwest wind around 7 mph.

    High: 38 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 64. West wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 67. East northeast wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Increasing clouds, with a low around 55. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 16 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Some thunder is also possible. Low around 27. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%.
Monday
A 20 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 33. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 15. West northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 38. West northwest wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Light south southwest wind becoming south 5 to 10 mph in the evening.
Wednesday
Partly sunny, with a high near 57. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind around 6 mph.
Thursday
Sunny, with a high near 69. West southwest wind around 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
10:26 am CDT Mar 13, 2026
Forecast Valid:
12pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation