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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

40°F

4°C

Humidity 77%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 14 Mar 1:35 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 41. Light northeast wind.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68. East northeast wind 6 to 10 mph becoming south southeast in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Partly Cloudy

  • 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 74. Breezy, with a south wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 50%.

    High: 74 °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 26. Breezy, with a south wind 21 to 23 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: 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

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West northwest wind 8 to 17 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 38. West northwest wind around 6 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 41. Light northeast wind.
Saturday
Mostly sunny, with a high near 68. East northeast wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. South wind 6 to 14 mph, with gusts as high as 24 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 74. Breezy, with a south wind 18 to 28 mph, with gusts as high as 41 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 26. Breezy, with a south wind 21 to 23 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%.
Monday
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 17 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 38. West northwest wind around 6 mph.
Tuesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 58. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 41. South southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 70. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 48. South southwest wind 3 to 5 mph.
Friday
Sunny, with a high near 71. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
1:26 am CDT Mar 14, 2026
Forecast Valid:
1am CDT Mar 14, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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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