Weather forecast for: Millstadt IL
Last Update: 1:31 pm CDT Sep 16, 2026
This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 94. Heat index values as high as 105. South wind around 5 mph.
Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Calm wind becoming south around 5 mph after midnight.
Thursday: Sunny and hot, with a high near 97. Heat index values as high as 106. West wind around 6 mph becoming light and variable in the afternoon.
Thursday Night: Mostly clear, with a low around 73. Light and variable wind.
Friday: Mostly sunny, with a high near 95. East wind around 5 mph becoming calm in the afternoon.
Friday Night: Partly cloudy, with a low around 73.
Saturday: Sunny, with a high near 96.
Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Sunday: A 20 percent chance of showers. Mostly sunny, with a high near 93.
Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 82.
WeatherWorld.com
