10-Day Weather Forecast - Ottawa, IL

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 70s. West winds 10 to 15 mph becoming northwest in the afternoon.

Mostly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph becoming east after midnight.

Partly cloudy in the morning then clearing. Highs in the lower 70s. Southeast winds 5 to 10 mph becoming southwest in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Southwest winds 10 to 15 mph.

Mostly cloudy. A slight chance of showers. Breezy with highs around 70. Temperature falling into the mid 50s in the afternoon. West winds 15 to 20 mph becoming north in the afternoon. Gusts up to 30 mph. Chance of precipitation 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Breezy with lows in the lower 30s.

Mostly sunny. Highs around 50.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs in the upper 50s.

Mostly cloudy. Lows in the upper 30s.

Mostly cloudy. Highs in the upper 50s.

Mostly cloudy in the evening then clearing. Lows in the mid 40s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 60s.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 33F with an average humidity of 60%. Winds will be 9 mph from the NW.

Sunny. High temperature around 46F. Dew point will be around 25F with an average humidity of 53%. Winds will be 9 mph from the N.

Clear. Low temperature around 30F. Dew point will be around 21F with an average humidity of 55%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 48F. Dew point will be around 25F with an average humidity of 53%. Winds will be 4 mph from the S.

Partly cloudy. Low temperature around 34F. Dew point will be around 27F with an average humidity of 60%. Winds will be 3 mph from the S.