10-Day Weather Forecast - Watertown, SD

Mostly cloudy in the morning then partly sunny with a chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Mostly cloudy with a chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 30 percent.

Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. A slight chance of showers in the evening then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 70 percent.

Showers likely with a slight chance of thunderstorms in the morning then showers with a chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. Chance of rain 80 percent.

Partly cloudy with a chance of thunderstorms in the evening then mostly cloudy with a slight chance of showers after midnight. Breezy with lows in the upper 40s. Chance of rain 40 percent.

Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent.

Partly cloudy in the evening then clearing. Lows in the upper 40s.

Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.

Mostly clear in the evening then becoming partly cloudy. A 20 percent chance of showers. Lows in the lower 50s.

Partly sunny. Highs in the mid 70s.

Partly cloudy. Low temperature around 53F. Dew point will be around 49F with an average humidity of 76%. Winds will be 9 mph from the NE.

Mostly sunny. High temperature around 70F. Dew point will be around 52F with an average humidity of 62%. Winds will be 6 mph from the NE.

Partly cloudy. Low temperature around 57F. Dew point will be around 51F with an average humidity of 71%. Winds will be 4 mph from the NE.

Mostly sunny. High temperature around 71F. Dew point will be around 53F with an average humidity of 64%. Winds will be 3 mph from the E.

Partly cloudy. Low temperature around 60F. Dew point will be around 54F with an average humidity of 69%. Winds will be 3 mph from the S.

Partly cloudy with a 35% chance for rain and thunderstorms. High temperature around 75F. Dew point will be around 57F with an average humidity of 65%. Winds will be 4 mph from the S.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 57F with an average humidity of 71%. Winds will be 3 mph from the S.