10-Day Weather Forecast - Fort Thompson, SD

Mostly cloudy. A slight chance of rain in the afternoon. Not as cool with highs in the lower 50s. South winds 10 to 15 mph. Chance of rain 20 percent.

Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 20s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 50s. East winds around 5 mph.

Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

Mostly clear. Lows in the upper 20s. Highs in the lower 60s.

Mostly clear. Lows in the mid 30s.

Partly sunny. Highs in the mid 60s.

Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 20s. Chance of rain 20 percent.

Mostly cloudy with a chance of rain and snow. Much colder with highs in the upper 40s. Chance of precipitation 30 percent.

Mostly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the lower 50s.

Partly cloudy. Low temperature around 34F. Dew point will be around 25F with an average humidity of 56%. Winds will be 8 mph from the SW.

Mostly sunny. High temperature around 61F. Dew point will be around 28F with an average humidity of 46%. Winds will be 8 mph from the SW.

Mostly clear. Low temperature around 36F. Dew point will be around 29F with an average humidity of 53%. Winds will be 2 mph from the SW.

Cloudy. High temperature around 48F. Dew point will be around 28F with an average humidity of 54%. Winds will be 4 mph from the NW.

Cloudy. Low temperature around 28F. Dew point will be around 24F with an average humidity of 62%. Winds will be 5 mph from the N.

Mostly cloudy. High temperature around 43F. Dew point will be around 24F with an average humidity of 59%. Winds will be 4 mph from the NW.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 22F. Dew point will be around 19F with an average humidity of 63%. Winds will be 3 mph from the N.