Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Partly Cloudy

12°F

-11°C

Humidity 70%
Wind Speed NW 9 mph
Barometer 30.21 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 25 Jan 7:35 pm CST
Extended Forecast for

Harrisburg IL

Cold Weather Advisory January 25, 07:51pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Cold Weather Advisory January 25, 07:51pm until January 26, 12:00am

    NOW until 12:00am Mon

    Cold Weather Advisory

  • Tonight

    Low: -7 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 12. Wind chill values as low as -20. West northwest wind 3 to 8 mph.

    High: 12 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a temperature falling to near 2 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -11. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 23 mph.

    Low: 2 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. Wind chill values as low as -6. Southwest wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -3. Light north northwest wind.

    Low: -3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. Calm wind becoming west around 6 mph in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. Light and variable wind.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19. North northwest wind 3 to 6 mph.

    High: 19 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Wind chill values as low as -18. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 12. Wind chill values as low as -20. West northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a temperature falling to near 2 by 10pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -11. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 28. Wind chill values as low as -6. Southwest wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around -3. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 25. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 1. Light and variable wind.
Thursday
Partly sunny, with a high near 19. North northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 2. Light north wind.
Friday
Partly sunny, with a high near 19. North wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around -1. Light north wind.
Saturday
Mostly sunny, with a high near 21. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 2. Light and variable wind.
Sunday
Partly sunny, with a high near 27. South southwest wind 3 to 6 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
7:32 pm CST Jan 25, 2026
7pm CST Jan 25, 2026-6pm CST Feb 1, 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