Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
78°F
26°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 30.04 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 16 Aug 3:55 am CDT |
Extended Forecast for
8 Miles SE Harrisburg IL
Extreme Heat Warning August 16, 04:05am until August 16, 08:00pm
NOW until 8:00pm Sun
Extreme Heat Warning
Today
High: 97 °F
Hot
Tonight
Low: 74 °F
Chance
T-storms then
Chance
ShowersMonday
High: 88 °F
Slight Chance
T-storms then
Mostly SunnyMonday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 91 °F
Chance
ShowersWednesday Night
Low: 69 °F
Showers
Likely
Detailed Forecast
Today
Mostly sunny and hot, with a high near 97. Heat index values as high as 105. West southwest wind around 6 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 74. Light and variable wind.
Monday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 88. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. Light north wind.
Tuesday
Sunny, with a high near 89. Calm wind.
Tuesday Night
Mostly clear, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69. Light northeast wind.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Light north northeast wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A slight chance of showers. Mostly clear, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles SE Harrisburg IL
37.65°N 88.45°W
37.65°N 88.45°W
3:56 am CDT Aug 16, 2026
4am CDT Aug 16, 2026-6pm CDT Aug 22, 2026
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