Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
53°F
12°C
| Humidity | 83% |
| Wind Speed | S 12 G 17 mph |
| Barometer | 29.94 in |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 17 Feb 1:15 pm CST |
Extended Forecast for
Harrisburg IL
This Afternoon

High: 55 °F
Mostly Cloudy
Tonight
Low: 55 °F⇑
Mostly Cloudy
then Slight
Chance
Showers and
BreezyWednesday

High: 72 °F
Partly Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
then Chance
ShowersThursday

High: 70 °F
Showers
LikelyThursday Night
Low: 43 °F
Slight Chance
Showers then
Mostly ClearFriday

High: 54 °F
Sunny
Friday Night

Low: 35 °F
Mostly Cloudy
Saturday

High: 48 °F
Chance
Showers
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 55. South wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
A slight chance of showers between 2am and 4am. Mostly cloudy, with a temperature rising to around 59 by 5am. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 72. Southwest wind 8 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
A 40 percent chance of showers after midnight. Partly cloudy, with a low around 56. South wind around 6 mph.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 70. South wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 54. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 35. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
A chance of showers, mainly after noon. Mostly sunny, with a high near 48. North wind 5 to 8 mph.
Saturday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 28. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 22. North northwest wind 6 to 9 mph.
Monday
Sunny, with a high near 39. North northwest wind 3 to 7 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
12:26 pm CST Feb 17, 2026
1pm CST Feb 17, 2026-6pm CST Feb 23, 2026


