Weather forecast for: Mackinaw IL
Last Update: 7:56 pm CDT Sep 17, 2026
Tonight: Mostly cloudy, with a low around 68. Northeast wind around 9 mph, with gusts as high as 16 mph.
Friday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 82. East northeast wind around 8 mph.
Friday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 68. East wind 8 to 10 mph, with gusts as high as 17 mph.
Saturday: A 30 percent chance of showers before 1pm. Increasing clouds, with a high near 87. South southeast wind around 9 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Light north northeast wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday: Partly sunny, with a high near 66.
Tuesday Night: Partly cloudy, with a low around 53.
Wednesday: Mostly sunny, with a high near 71.
Wednesday Night: Partly cloudy, with a low around 55.
Thursday: Mostly sunny, with a high near 73.
WeatherWorld.com
