Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Overcast

63°F

17°C

Humidity 73%
Wind Speed W 16 G 29 mph
Barometer 29.74 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 9 Jan 2:35 am CST
Extended Forecast for

Harrisburg IL

Wind Advisory until January 9, 03:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until January 9, 03:00am

    NOW until 3:00am Fri

    Wind Advisory

  • Overnight

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a temperature falling to around 50 by 5pm. West wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 3am.  Mostly cloudy, with a low around 43. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Cloudy through mid morning, then gradual clearing, with a high near 49. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 49 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Light and variable wind.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a steady temperature around 64. Southwest wind 15 to 17 mph, with gusts as high as 32 mph.
Friday
Mostly cloudy, with a temperature falling to around 50 by 5pm. West wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 50 percent chance of showers, mainly after 3am. Mostly cloudy, with a low around 43. North northeast wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 49. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 26. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 38. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 23. Light and variable wind.
Monday
Sunny, with a high near 47. Southwest wind 5 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 39. Southwest wind 6 to 9 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 45. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 25. North northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 39. North northwest wind around 6 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
1:21 am CST Jan 9, 2026
2am CST Jan 9, 2026-6pm CST Jan 15, 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