10-Day Weather Forecast - Ottawa, IL

Partly cloudy and blustery. Highs in the mid 20s. West winds 15 to 25 mph with gusts up to 35 mph diminishing to 10 to 15 mph with gusts up to 25 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s. Temperature rising to around 30 after midnight. South winds 10 to 15 mph increasing to 15 to 20 mph with gusts up to 25 mph after midnight.

Mostly cloudy. Highs in the lower 40s. Southwest winds 15 to 20 mph with gusts up to 25 mph becoming west 10 to 15 mph in the afternoon.

Mostly clear. Lows around 18. West winds 10 to 15 mph.

Mostly sunny. Highs around 30.

Partly cloudy in the evening then becoming mostly cloudy. Near steady temperature in the lower 20s.

Mostly cloudy. Highs in the upper 30s.

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

Mostly cloudy. Highs in the upper 40s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs in the lower 50s.

Mostly cloudy. Lows in the lower 40s.

Mostly cloudy. Highs in the mid 50s.

Partly cloudy. Low temperature around 43F. Dew point will be around 44F with an average humidity of 82%. Winds will be 7 mph from the W.

Cloudy. High temperature around 48F. Dew point will be around 39F with an average humidity of 74%. Winds will be 2 mph from the W.

Mostly cloudy. Low temperature around 40F. Dew point will be around 38F with an average humidity of 81%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 45F. Dew point will be around 36F with an average humidity of 76%. Winds will be 3 mph from the NE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 34F with an average humidity of 78%. Winds will be 4 mph from the NE.