10-Day Weather Forecast - Fort Thompson, SD

Areas of fog and freezing fog in the morning. Partly sunny. Highs in the upper 40s. East winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. Lows in the lower 30s. South winds 5 to 10 mph.

Partly sunny. Highs in the lower 50s. Southwest winds 5 to 10 mph becoming northwest in the afternoon.

Mostly cloudy. A slight chance of snow after midnight. Brisk and much colder with lows around 12. North winds 15 to 25 mph. Chance of snow 20 percent.

Mostly cloudy with a slight chance of snow in the morning then partly sunny in the afternoon. Windy and much colder. Near steady temperature around 15. Chance of snow 20 percent.

Mostly clear. Lows zero to 5 above zero. Highs in the lower 20s.

Mostly clear. Lows zero to 5 above zero. Highs in the lower 20s.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 10 above. Temperature rising into the lower 20s after midnight.

Partly sunny. Not as cold with highs in the lower 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 15.

Mostly cloudy in the morning then becoming partly sunny. A 20 percent chance of snow. Colder with highs around 30.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 10 above.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 20s.

Partly cloudy. Low temperature around 21F. Dew point will be around 19F with an average humidity of 86%. Winds will be 5 mph from the E.

Mostly cloudy. High temperature around 26F. Dew point will be around 19F with an average humidity of 79%. Winds will be 4 mph from the E.

Partly cloudy. Low temperature around 19F. Dew point will be around 19F with an average humidity of 86%. Winds will be 4 mph from the N.

Cloudy. High temperature around 20F. Dew point will be around 14F with an average humidity of 78%. Winds will be 4 mph from the N.

Mostly cloudy. Low temperature around 15F. Dew point will be around 13F with an average humidity of 85%. Winds will be 4 mph from the N.