10-Day Weather Forecast - Ottawa, IL

Mostly cloudy in the morning then clearing. Highs in the upper 20s. North winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Lows around 10 above. North winds around 5 mph.

Partly cloudy in the morning then becoming mostly sunny. Highs in the upper 20s. Northwest winds around 5 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows around 14. West winds around 5 mph.

Mostly cloudy. Highs in the mid 30s.

Mostly cloudy. A slight chance of snow after midnight. Near steady temperature around 30. Chance of precipitation 20 percent.

Mostly cloudy. Highs in the upper 30s.

Partly cloudy. Lows around 15.

Partly cloudy. Highs around 30.

Partly cloudy. Lows 15 to 20.

Partly cloudy. Highs in the mid 30s.

Partly cloudy. Lows around 20.

Partly cloudy. Highs in the upper 30s.

Clear. Low temperature around 21F. Dew point will be around 17F with an average humidity of 78%. Winds will be 6 mph from the SE.

Mostly sunny. High temperature around 34F. Dew point will be around 25F with an average humidity of 79%. Winds will be 6 mph from the S.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 25F with an average humidity of 84%. Winds will be 7 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 38F. Dew point will be around 33F with an average humidity of 89%. Winds will be 8 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 34F. Dew point will be around 33F with an average humidity of 90%. Winds will be 7 mph from the SE.