10-Day Weather Forecast - Fort Thompson, SD

Mostly cloudy. Highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy. Lows around 19. North winds 5 to 10 mph becoming northeast after midnight.

Mostly cloudy. A chance of snow in the morning then snow likely in the afternoon. Light snow accumulation possible. Colder with highs in the mid 30s. Southeast winds 10 to 15 mph. Chance of snow 60 percent.

Partly cloudy in the evening then clearing. Lows in the lower 20s. Southeast winds 5 to 10 mph becoming west after midnight.

Mostly clear and breezy. Highs in the lower 50s. Lows around 30.

Mostly clear and breezy. Highs in the lower 50s. Lows around 30.

Mostly sunny. Highs in the upper 50s.

Mostly cloudy with a 30 percent chance of snow. Lows 15 to 20. Highs in the upper 20s.

Mostly cloudy with a 30 percent chance of snow. Lows 15 to 20. Highs in the upper 20s.

Mostly cloudy. A slight chance of snow after midnight. Lows around 10 above. Chance of snow 20 percent.

Mostly cloudy with a chance of snow in the morning then partly sunny with a slight chance of snow in the afternoon. Highs in the upper 20s. Chance of snow 30 percent.

Mostly cloudy with a slight chance of snow in the evening then partly cloudy after midnight. Lows 15 to 20. Chance of snow 20 percent.

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

Clear. Low temperature around 23F. Dew point will be around 23F with an average humidity of 81%. Winds will be 3 mph from the S.

Sunny. High temperature around 39F. Dew point will be around 22F with an average humidity of 66%. Winds will be 4 mph from the NW.

Clear. Low temperature around 19F. Dew point will be around 18F with an average humidity of 70%. Winds will be 3 mph from the SE.

Sunny. High temperature around 42F. Dew point will be around 21F with an average humidity of 62%. Winds will be 4 mph from the S.

Mostly clear. Low temperature around 26F. Dew point will be around 23F with an average humidity of 68%. Winds will be 5 mph from the SE.