Areas of Severe Thunderstorms Monday
Showers and thunderstorms will be possible from the northern Plains to the Gulf Coast on Monday. Thunderstorms with large hail and severe wind gusts are expected Monday afternoon and evening across parts of the central Plains. Read More >
Hazardous Weather Conditions
Current conditions at
Harrisburg-Raleigh Airport (KHSB)
Lat: 37.81°NLon: 88.54°WElev: 387ft.
Fair
68°F
20°C
| Humidity | 88% |
| Wind Speed | Calm |
| Barometer | 29.96 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 31 May 9:15 pm CDT |
Extended Forecast for
Harrisburg IL
Tonight
Low: 64 °F
Partly Cloudy
then Chance
T-stormsMonday
High: 83 °F
T-storms
Likely then
Chance
T-stormsMonday Night
Low: 62 °F
Chance
T-storms then
Mostly ClearTuesday
High: 81 °F
Sunny
Tuesday Night
Low: 56 °F
Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 59 °F
Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. Calm wind.
Monday
Showers and thunderstorms likely, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 81. Light northeast wind becoming east northeast 5 to 10 mph in the morning.
Tuesday Night
Clear, with a low around 56. Northeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 81. East wind 3 to 6 mph.
Wednesday Night
Clear, with a low around 59. Calm wind.
Thursday
Sunny, with a high near 84. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 64. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 67. South wind 3 to 7 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 6 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 5 to 8 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 5 to 8 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
8:31 pm CDT May 31, 2026
9pm CDT May 31, 2026-6pm CDT Jun 7, 2026
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