Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fog/Mist
54°F
12°C
| Humidity | 96% |
| Wind Speed | SE 3 mph |
| Barometer | 29.65 in |
| Dewpoint | 53°F (12°C) |
| Visibility | 1.25 mi |
| Last update | 19 Feb 3:55 am CST |
Extended Forecast for
Harrisburg IL
Today

High: 71 °F
Showers
LikelyTonight
Low: 40 °F
Slight Chance
T-storms then
Mostly ClearFriday

High: 53 °F
Sunny
Friday Night

Low: 34 °F
Increasing
CloudsSaturday

High: 49 °F
Mostly Sunny
Saturday Night

Low: 26 °F
Mostly Clear
Sunday

High: 40 °F
Mostly Sunny
Sunday Night

Low: 20 °F
Mostly Clear
Monday

High: 37 °F
Sunny
Detailed Forecast
Today
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 71. South southwest wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 40. West wind around 11 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 53. West wind 8 to 13 mph becoming light west northwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Increasing clouds, with a low around 34. Light and variable wind.
Saturday
Mostly sunny, with a high near 49. North northeast wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 40. Northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 20. Northwest wind around 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 37. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 19. Light and variable wind.
Tuesday
Mostly sunny, with a high near 47. Light southwest wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 37. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 57. South southwest wind 13 to 17 mph, with gusts as high as 28 mph.
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ABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.58°W
37.74°N 88.58°W
4:06 am CST Feb 19, 2026
4am CST Feb 19, 2026-6pm CST Feb 25, 2026



