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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

42°F

6°C

Humidity 60%
Wind Speed E 9 mph
Barometer 30.36 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 24 Mar 8:35 am CDT
Extended Forecast for

Harrisburg IL

  • Today

    Today: Mostly sunny, with a high near 63. East wind 5 to 7 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly 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: Mostly clear, with a low around 62. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 57. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Northeast wind around 7 mph.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. East wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 45. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 74. Calm wind becoming south southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 62. South wind 6 to 10 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 85. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 57. North wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 32. North wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 57. Northeast wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 37. Light east wind.
Sunday
Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 50. South wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 75. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
7:46 am CDT Mar 24, 2026
Forecast Valid:
8am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation