10-Day Weather Forecast - Yankton, SD

Sunny. A slight chance of showers and thunderstorms this morning. Highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Heat index values in the upper 90s this afternoon.

Mostly clear. Humid with lows around 70. South winds around 5 mph. Heat index values in the upper 90s early in the evening.

Sunny, hot with highs in the mid 90s. Southeast winds 5 to 10 mph.

Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values in the upper 90s early in the evening.

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the mid 90s. Southeast winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 101 in the afternoon.

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values in the upper 90s early in the evening.

Mostly sunny. Highs in the lower 90s.

Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 40 percent.

Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s.

Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50 percent.

Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 50 percent.

Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Mostly sunny. Highs in the mid 80s.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 64F. Dew point will be around 65F with an average humidity of 84%. Winds will be 2 mph from the S.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 80F. Dew point will be around 62F with an average humidity of 68%. Winds will be 5 mph from the SW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 61F. Dew point will be around 61F with an average humidity of 78%. Winds will be 3 mph from the S.

Mostly sunny. High temperature around 77F. Dew point will be around 60F with an average humidity of 68%. Winds will be 5 mph from the SW.

Mostly clear. Low temperature around 60F. Dew point will be around 60F with an average humidity of 80%. Winds will be 3 mph from the S.