10-Day Weather Forecast - Watertown, SD

Mostly sunny. Hot with highs in the lower 90s. East winds 5 to 10 mph.

Mostly clear in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Partly sunny. A chance of thunderstorms, mainly in the morning. Hot with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

A chance of showers in the evening. Partly cloudy with a slight chance of thunderstorms. Humid with lows around 70. Southeast winds 10 to 15 mph. Chance of rain 40 percent.

Partly sunny. A chance of thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 40 percent.

Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. Showers likely after midnight. Lows in the upper 60s. Chance of rain 70 percent.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 60 percent.

Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Mostly clear. Lows in the lower 60s.

Partly cloudy. Highs in the lower 80s.

Partly cloudy. Lows in the upper 50s.

Partly sunny with a 20 percent chance of showers. Highs in the upper 70s.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 59F. Dew point will be around 61F with an average humidity of 93%. Winds will be 6 mph from the SE.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 74F. Dew point will be around 62F with an average humidity of 79%. Winds will be 6 mph from the S.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 59F. Dew point will be around 64F with an average humidity of 98%. Winds will be 3 mph from the S.

Mostly sunny. High temperature around 74F. Dew point will be around 60F with an average humidity of 74%. Winds will be 4 mph from the SW.

Clear. Low temperature around 56F. Dew point will be around 58F with an average humidity of 90%. Winds will be 2 mph from the S.