Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
39°F
4°C
| Humidity | 24% |
| Wind Speed | N 6 mph |
| Barometer | 30.30 in |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 22 Jan 1:55 pm CST |
Extended Forecast for
Harrisburg IL
Cold Weather Advisory January 23, 06:00pm until January 25, 06:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
This Afternoon

High: 41 °F
Sunny
Tonight

Low: 17 °F
Increasing
CloudsFriday

High: 22 °F⇓
Partly Sunny
Friday Night
Low: 8 °F
Mostly Cloudy
then Slight
Chance SnowSaturday
High: 16 °F
Snow Likely
then
Snow/SleetSaturday Night
Low: 12 °F
Snow/Sleet
then Heavy
SnowSunday
High: 19 °F
Snow then
Chance SnowSunday Night
Low: 2 °F
Slight Chance
Snow then
Mostly CloudyMonday

High: 16 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 41. Calm wind becoming east northeast around 5 mph.
Tonight
Increasing clouds, with a low around 17. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 24 mph.
Friday
Partly sunny, with a temperature falling to around 14 by 5pm. Wind chill values as low as -1. North wind 14 to 17 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of snow between midnight and 3am. Increasing clouds, with a low around 8. Wind chill values as low as -6. North northeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Snow before 3pm, then snow, possibly mixed with sleet. High near 16. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Snow, possibly mixed with sleet, becoming all snow after 9pm. The snow could be heavy at times. Low around 12. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.
Sunday
Snow, mainly before noon. High near 19. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 2. Northwest wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 16. West northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 1. South southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 29. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Light southwest wind.
Wednesday
Partly sunny, with a high near 29. Light and variable wind becoming west northwest 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
1:56 pm CST Jan 22, 2026
2pm CST Jan 22, 2026-6pm CST Jan 28, 2026



