10-Day Weather Forecast - Ottawa, IL

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of snow early in the morning. Blustery with highs in the upper 20s. Northwest winds 15 to 25 mph becoming north 15 to 20 mph in the afternoon. Chance of precipitation 20 percent.

Mostly clear. Lows around 14. North winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Sunny in the morning then becoming partly cloudy. Highs in the mid 20s. Northwest winds around 10 mph becoming southwest in the afternoon.

Snow. Some snow accumulation. Lows in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 90 percent.

Mostly cloudy with a 50 percent chance of snow. Blustery with highs in the mid 30s.

Mostly cloudy with a 40 percent chance of snow. Lows 10 to 15.

Mostly cloudy with a 20 percent chance of snow. Near steady temperature around 15.

Mostly cloudy. Lows around 5 above. Wind chill values as low as 10 below after midnight.

Mostly cloudy. Highs 15 to 20. Wind chill values as low as 10 below in the morning.

Mostly cloudy. Lows 5 to 10 above.

Mostly cloudy. Highs around 20.

Partly cloudy. Lows around zero. Wind chill values as low as 10 below after midnight.

Partly cloudy. Highs 15 to 20. Wind chill values as low as 10 below in the morning.

Partly cloudy. Low temperature around 18F. Dew point will be around 10F with an average humidity of 70%. Winds will be 6 mph from the S.

Mostly cloudy. High temperature around 28F. Dew point will be around 16F with an average humidity of 68%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 22F. Dew point will be around 18F with an average humidity of 77%. Winds will be 1 mph from the S.

Mostly cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 28F. Dew point will be around 19F with an average humidity of 73%. Winds will be 3 mph from the E.

Cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 27F. Dew point will be around 22F with an average humidity of 81%. Winds will be 3 mph from the E.