10-Day Weather Forecast - Marengo, IL

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of snow. A slight chance of rain in the afternoon. Highs in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph becoming west in the afternoon. Chance of precipitation 20 percent.

Mostly clear. Lows around 12. West winds 10 to 15 mph increasing to northwest 15 to 20 mph after midnight.

Sunny. Highs in the mid 20s. Northwest winds 10 to 15 mph becoming west around 5 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20. Temperature rising into the mid 20s after midnight.

Mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Near steady temperature in the mid 30s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the upper 40s.

Mostly cloudy. Near steady temperature in the lower 40s.

Mostly cloudy. Highs in the lower 50s.

Cloudy. Low temperature around 39F. Dew point will be around 42F with an average humidity of 89%. Winds will be 9 mph from the NW.

Mostly sunny. High temperature around 46F. Dew point will be around 36F with an average humidity of 79%. Winds will be 3 mph from the NW.

Partly cloudy. Low temperature around 37F. Dew point will be around 35F with an average humidity of 85%. Winds will be 2 mph from the SE.

Partly cloudy. High temperature around 43F. Dew point will be around 36F with an average humidity of 80%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 33F. Dew point will be around 31F with an average humidity of 80%. Winds will be 5 mph from the NW.

Cloudy. High temperature around 37F. Dew point will be around 29F with an average humidity of 75%. Winds will be 5 mph from the N.

Partly cloudy. Low temperature around 28F. Dew point will be around 25F with an average humidity of 74%. Winds will be 5 mph from the NW.