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.

Partly Cloudy

38°F

3°C

Humidity 74%
Wind Speed N 9 G 16 mph
Barometer 30.28 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Mar 3:15 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Mostly cloudy early, then becoming clear, with a low around 32. North northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 5 to 8 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 29 mph.

    Low: 42 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 63. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. East northeast wind 6 to 9 mph becoming south southeast in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 71 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain and snow showers likely, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 27. Breezy, with a southwest wind around 21 mph becoming west northwest after midnight. Winds could gust as high as 32 mph.

    Low: 27 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy early, then becoming clear, with a low around 32. North northwest wind around 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 54. Northwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 42. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 29 mph.
Friday
Mostly sunny, with a high near 63. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 67. East northeast wind 6 to 9 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Breezy, with a south wind 13 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Rain and snow showers likely, mainly before 1am. Some thunder is also possible. Mostly cloudy, with a low around 27. Breezy, with a southwest wind around 21 mph becoming west northwest after midnight. Winds could gust as high as 32 mph.
Monday
Partly sunny, with a high near 37. Breezy, with a west northwest wind 17 to 21 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 42. West wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 30. East southeast wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 57. South southwest wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
2:36 am CDT Mar 12, 2026
Forecast Valid:
3am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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