10-Day Weather Forecast - Fort Thompson, SD

Partly sunny and much colder. Near steady temperature in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph.

Mostly clear in the evening then becoming partly cloudy. Colder with lows in the lower 20s. East winds 5 to 10 mph increasing to southeast 15 to 20 mph after midnight.

Partly sunny in the morning then becoming mostly cloudy. Not as cool with highs in the lower 50s. South winds 15 to 20 mph becoming southwest 10 to 15 mph in the afternoon.

Partly cloudy in the evening then clearing. Lows in the upper 20s.

Mostly cloudy. Highs in the upper 50s. Lows in the lower 30s.

Mostly cloudy. Highs in the upper 50s. Lows in the lower 30s.

Mostly cloudy. Highs in the upper 50s. Lows in the lower 30s.

Mostly cloudy. Lows in the upper 20s. Highs around 40.

Mostly cloudy. Lows in the upper 20s. Highs around 40.

Cloudy. A slight chance of snow after midnight. Lows in the lower 20s. Chance of snow 20 percent.

Mostly cloudy with a chance of snow. A slight chance of rain in the afternoon. Highs in the mid 30s. Chance of precipitation 40 percent.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 25F. Dew point will be around 24F with an average humidity of 86%. Winds will be 5 mph from the E.

Partly cloudy. High temperature around 37F. Dew point will be around 27F with an average humidity of 82%. Winds will be 2 mph from the SW.

Partly cloudy. Low temperature around 25F. Dew point will be around 26F with an average humidity of 89%. Winds will be 2 mph from the SE.

Sunny. High temperature around 36F. Dew point will be around 27F with an average humidity of 81%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 25F. Dew point will be around 26F with an average humidity of 87%. Winds will be 2 mph from the NW.

Partly cloudy. High temperature around 35F. Dew point will be around 26F with an average humidity of 76%. Winds will be 6 mph from the NW.

Clear. Low temperature around 23F. Dew point will be around 24F with an average humidity of 83%. Winds will be 2 mph from the N.