10-Day Weather Forecast - Jefferson, SD

Mostly cloudy with a chance of sprinkles this morning, then mostly sunny this afternoon. Patchy smoke. Highs in the upper 80s. East winds around 5 mph.

Mostly clear. Patchy smoke. Humid with lows in the upper 60s. Southeast winds around 5 mph.

Sunny with highs around 90. South winds 5 to 10 mph.

Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows around 70. South winds 10 to 15 mph. Chance of rain 40 percent.

Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 60 percent.

A chance of thunderstorms. Showers. Lows in the mid 60s. Chance of rain 90 percent.

Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.

Mostly clear. Lows in the lower 60s.

Partly sunny in the morning, then clearing. Highs in the lower 80s.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the lower 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Clear. Low temperature around 73F. Dew point will be around 67F with an average humidity of 63%. Winds will be 7 mph from the S.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 84F. Dew point will be around 67F with an average humidity of 65%. Winds will be 2 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 66F. Dew point will be around 62F with an average humidity of 64%. Winds will be 4 mph from the NE.

Mostly sunny. High temperature around 79F. Dew point will be around 63F with an average humidity of 69%. Winds will be 3 mph from the NE.

Clear. Low temperature around 66F. Dew point will be around 61F with an average humidity of 66%. Winds will be 1 mph from the E.