10-Day Weather Forecast - Ottumwa, IA

Mostly sunny. Highs in the upper 20s. South winds 5 to 10 mph.

Mostly cloudy. A slight chance of snow in the evening. Lows around 19. South winds 5 to 10 mph becoming west after midnight. Chance of snow 20 percent.

Mostly sunny. Highs in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then clearing. Lows 10 to 15.

Mostly sunny. Highs around 30.

Mostly cloudy. Lows around zero.

Mostly cloudy in the morning then becoming partly sunny. Much cooler with highs around 10 above.

Mostly cloudy. Cold with lows around 10 below. Wind chill values as low as 25 below.

Partly sunny. A slight chance of snow in the afternoon. Highs 5 to 10 above. Chance of snow 20 percent. Wind chill values as low as 25 below.

Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow. Cold with lows around zero.

Mostly sunny. Highs in the lower 20s.

Clear. Low temperature around 6F. Dew point will be around 2F with an average humidity of 64%. Winds will be 8 mph from the SW.

Sunny. High temperature around 23F. Dew point will be around 4F with an average humidity of 58%. Winds will be 4 mph from the SW.

Mostly clear. Low temperature around 12F. Dew point will be around 8F with an average humidity of 73%. Winds will be 3 mph from the W.

Partly cloudy. High temperature around 23F. Dew point will be around 9F with an average humidity of 64%. Winds will be 2 mph from the W.

Mostly cloudy. Low temperature around 11F. Dew point will be around 8F with an average humidity of 71%. Winds will be 4 mph from the NW.

Sunny. High temperature around 22F. Dew point will be around 7F with an average humidity of 61%. Winds will be 5 mph from the NW.

Clear. Low temperature around 12F. Dew point will be around 6F with an average humidity of 69%. Winds will be 4 mph from the W.