Weather forecast for: Mount Prospect IL
Last Update: 9:26 pm CDT Sep 28, 2026
Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 53. Calm wind.
Tuesday: Areas of fog before 9am. Otherwise, mostly cloudy through mid morning, then becoming sunny, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night: Mostly cloudy, with a low around 63. South wind 5 to 10 mph.
Wednesday: A 40 percent chance of showers, mainly after 1pm. Cloudy, with a high near 74. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night: A chance of showers, with thunderstorms also possible after 4am. Cloudy, with a low around 66. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Thursday: Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 90%.
Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 58. Chance of precipitation is 70%.
Friday: A chance of showers before 1pm. Partly sunny, with a high near 65.
Friday Night: Mostly cloudy, with a low around 53.
Saturday: A chance of showers before 1pm. Mostly sunny, with a high near 65.
Saturday Night: Mostly cloudy, with a low around 53.
Sunday: Partly sunny, with a high near 66.
Sunday Night: Partly cloudy, with a low around 49.
Monday: Sunny, with a high near 60.
WeatherWorld.com
Village of Mount Prospect, IL
