Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
63°F
17°C
| Humidity | 85% |
| Wind Speed | SW 8 mph |
| Barometer | 29.82 in |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 26 Dec 6:15 am CST |
Extended Forecast for
Harrisburg IL
Today

High: 71 °F
Mostly Cloudy
Tonight
Low: 48 °F
Partly Cloudy
then FogSaturday
High: 68 °F
Fog then
Mostly CloudySaturday Night

Low: 63 °F
Cloudy
Sunday
High: 72 °F
Slight Chance
Showers then
Chance
ShowersSunday Night
Low: 26 °F
Showers then
Chance
Rain/SnowMonday

High: 31 °F
Mostly Sunny
and BlusteryMonday Night

Low: 19 °F
Mostly Clear
Tuesday

High: 36 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 71. Southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 48. Northwest wind around 5 mph becoming light and variable in the evening.
Saturday
Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south southeast 5 to 8 mph in the morning.
Saturday Night
Cloudy, with a low around 63. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Rain showers before 3am, then a chance of rain and snow showers. Low around 26. Southwest wind 15 to 18 mph becoming northwest in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Monday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 36. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 25. West southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 42. West wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind 3 to 6 mph.
New Year's Day
Partly sunny, with a high near 37. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
5:36 am CST Dec 26, 2025
6am CST Dec 26, 2025-6pm CST Jan 1, 2026



