Weather forecast for: Harvey IL
Last Update: 2:56 am CDT Sep 4, 2026
Today: A slight chance of showers and thunderstorms between 11am and noon. Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 74. West wind around 5 mph.
Saturday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night: Partly cloudy, with a low around 68. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday: Mostly sunny, with a high near 81. Northeast wind 5 to 10 mph.
Sunday Night: Partly cloudy, with a low around 65.
Labor Day: Mostly sunny, with a high near 83.
Monday Night: Partly cloudy, with a low around 66.
Tuesday: Partly sunny, with a high near 87.
Tuesday Night: Partly cloudy, with a low around 72.
Wednesday: A chance of showers. Mostly sunny, with a high near 90.
Wednesday Night: A chance of showers. Partly cloudy, with a low around 71.
Thursday: Partly sunny, with a high near 84.
WeatherWorld.com
