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

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

47°F

8°C

Humidity 39%
Wind Speed S 13 G 17 mph
Barometer 29.99 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Mar 1:35 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 44. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Breezy, with a west wind 14 to 21 mph, with gusts as high as 36 mph.

    High: 64 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Northwest wind around 6 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 68. East wind 6 to 11 mph becoming south in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. South wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    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. Some thunder is also possible. Low around 28. Breezy, with a south wind 18 to 22 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%.

    Low: 28 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 1pm. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 34 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 44. South southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Friday
Partly sunny, with a high near 64. Breezy, with a west wind 14 to 21 mph, with gusts as high as 36 mph.
Friday Night
Mostly clear, with a low around 37. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 68. East wind 6 to 11 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. South wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Low around 28. Breezy, with a south wind 18 to 22 mph becoming west after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 100%.
Monday
A slight chance of rain and snow showers before 7am, then a slight chance of snow showers between 7am and 1pm. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 15. West northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 38. West northwest wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Light south southwest wind becoming south 5 to 9 mph in the evening.
Wednesday
Mostly cloudy, with a high near 56. South wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 68. Southwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
1:26 am CDT Mar 13, 2026
Forecast Valid:
1am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation