61342 Weather (Mendota, IL)

Weather forecast for: Mendota IL

Last Update: 5:21 am CDT Oct 29, 2026

Today: Isolated showers before 8am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 68. Southwest wind around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

Tonight: Clear, with a low around 41. North wind around 5 mph.

Friday: A 30 percent chance of showers after 4pm. Partly sunny, with a high near 64. East wind around 5 mph, with gusts as high as 15 mph.

Friday Night: A chance of showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 50. East wind 5 to 10 mph. Chance of precipitation is 80%.

Saturday: Showers, mainly before 1pm. High near 63. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

Saturday Night: Mostly cloudy, with a low around 50.

Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68.

Sunday Night: Mostly cloudy, with a low around 52.

Monday: A chance of showers. Mostly cloudy, with a high near 68.

Monday Night: Showers likely. Mostly cloudy, with a low around 56.

Tuesday: Showers likely. Mostly cloudy, with a high near 69.

Tuesday Night: Showers likely. Mostly cloudy, with a low around 52.

Wednesday: Showers likely. Mostly cloudy, with a high near 65.