Weather forecast for: Mackinaw IL
Last Update: 1:26 am CDT Sep 14, 2026
Overnight: Partly cloudy, with a low around 54. East northeast wind around 6 mph.
Monday: Mostly sunny, with a high near 80. Southeast wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night: Increasing clouds, with a low around 70. Southeast wind 14 to 16 mph, with gusts as high as 26 mph.
Tuesday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 90. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night: Showers and possibly a thunderstorm. Low around 66. North northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: Showers likely before 1pm. Partly sunny, with a high near 85. East wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 70. East northeast wind around 6 mph becoming south after midnight.
Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 86.
Thursday Night: Mostly cloudy, with a low around 66.
Friday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 85.
Friday Night: Partly cloudy, with a low around 67.
Saturday: A chance of showers. Mostly sunny, with a high near 83.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 64.
Sunday: A chance of showers. Partly sunny, with a high near 79.
WeatherWorld.com
