Weather forecast for: Marengo IL
Last Update: 3:46 pm CST Nov 3, 2026
This Afternoon: Showers. Steady temperature around 64. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight: Showers. Low around 58. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday: Showers likely, mainly before noon. Mostly cloudy, with a temperature falling to around 55 by 4pm. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: A slight chance of showers before 10pm, then a chance of showers after 4am. Mostly cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night: A 50 percent chance of showers. Cloudy, with a low around 41.
Friday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 50.
Friday Night: Partly cloudy, with a low around 33.
Saturday: Mostly sunny, with a high near 51.
Saturday Night: Partly cloudy, with a low around 33.
Sunday: Mostly sunny, with a high near 57.
Sunday Night: Mostly clear, with a low around 34.
Monday: Sunny, with a high near 60.
Monday Night: Mostly clear, with a low around 39.
Tuesday: Sunny, with a high near 60.