Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Overcast
26°F
-3°C
| Humidity | 47% |
| Wind Speed | NW 10 G 23 mph |
| Barometer | 30.15 in |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 17 Mar 1:55 am CDT |
Extended Forecast for
Harrisburg IL
Overnight
Low: 18 °F
Mostly Cloudy
Tuesday
High: 37 °F
Mostly Sunny
Tuesday Night
Low: 29 °F
Chance Snow
ShowersWednesday
High: 58 °F
Chance
Showers then
SunnyWednesday Night
Low: 42 °F
Partly Cloudy
Thursday
High: 71 °F
Mostly Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 75 °F
Mostly Sunny
Friday Night
Low: 51 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 18. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 37. Northwest wind 5 to 9 mph.
Tuesday Night
A slight chance of snow showers before midnight, then a chance of snow showers after 2am. Mostly cloudy, with a low around 29. Light southeast wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. South wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 42. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 71. South southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 48. Light south wind.
Friday
Mostly sunny, with a high near 75. West southwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 51. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 78. Southwest wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 56. South southwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 77. South southwest wind 8 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 44. North northeast wind around 10 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 59. Northeast wind around 10 mph, with gusts as high as 18 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harrisburg IL
37.74°N 88.55°W
37.74°N 88.55°W
1:21 am CDT Mar 17, 2026
2am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
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