Weather forecast for: Marengo IL
Last Update: 12:21 pm CST Nov 4, 2026
This Afternoon: A slight chance of drizzle before 1pm, then a slight chance of drizzle or sprinkles after 1pm. Cloudy, with a temperature falling to around 54 by 3pm. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight: A slight chance of drizzle or sprinkles before 10pm. Cloudy, with a low around 45. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday: Rain likely, mainly between 8am and 9am. Cloudy, with a high near 53. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night: A 20 percent chance of rain before 7pm. Mostly cloudy, with a low around 37. North wind around 10 mph, with gusts as high as 20 mph.
Friday: Partly sunny, with a high near 48. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night: Mostly clear, with a low around 29.
Saturday: Sunny, with a high near 50.
Saturday Night: Mostly clear, with a low around 31.
Sunday: 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 61.
WeatherWorld.com
City of Marengo, IL
