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.

Light Snow

13°F

-11°C

Humidity 79%
Wind Speed NE 13 mph
Barometer 30.37 in
Dewpoint 8°F (-13°C)
Visibility 1.25 mi
Wind Chill-2°F (-19°C)
Last update 24 Jan 4:55 pm CST
Extended Forecast for

Harrisburg IL

Cold Weather Advisory January 24, 05:03pm until January 26, 12:00am
Extreme Cold Warning January 26, 12:00am until January 27, 10:00am
Winter Storm Warning January 24, 05:03pm until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
Winter Storm Warning
  •  
    Cold Weather Advisory January 24, 05:03pm until January 26, 12:00am
    Winter Storm Warning January 24, 05:03pm until January 25, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 15 °F

    Snow

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 13. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow

  • Sunday

    Sunday: Snow, mainly before 3pm. High near 19. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 19 °F

    Snow then
    Snow Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -16. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: -2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 14. West northwest wind 5 to 10 mph becoming light west southwest in the afternoon.

    High: 14 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 0. Light west southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph.

    Low: 0 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 28 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 4. Light and variable wind.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. High near 15. Northeast wind around 10 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 13. Northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow, mainly before 3pm. High near 19. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
A 20 percent chance of snow before 7pm. Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -16. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 14. West northwest wind 5 to 10 mph becoming light west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 0. Light west southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 28. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 4. Light and variable wind.
Wednesday
Partly sunny, with a high near 26. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 1. Light and variable wind becoming northwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 19. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 1. Light north northwest wind.
Friday
Mostly sunny, with a high near 20. Calm wind becoming north northwest around 6 mph.
Friday Night
Partly cloudy, with a low around 1. Calm wind.
Saturday
Mostly sunny, with a high near 23. Calm wind becoming northwest around 6 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
3:17 pm CST Jan 24, 2026
Forecast Valid:
5pm CST Jan 24, 2026-6pm CST Jan 31, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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