10-Day Weather Forecast - Westport, SD

Snow and sleet with freezing rain likely in the morning then snow in the afternoon. Snow may be heavy at times in the afternoon. Snow and sleet accumulation of 2 to 4 inches. Ice accumulation of up to a tenth of an inch. Highs in the lower 30s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation near 100 percent.

Snow. Snow may be heavy at times in the evening. Additional heavy snow accumulation. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of snow near 100 percent.

Snow. Patchy blowing snow. Additional light snow accumulation. Highs in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of snow near 100 percent.

Partly cloudy. Lows in the lower 20s. Highs around 40.

Partly cloudy. Lows in the lower 20s. Highs around 40.

Mostly cloudy. Lows around 20. Highs in the mid 30s.

Mostly cloudy. Lows around 20. Highs in the mid 30s.

Mostly cloudy and brisk. Lows 10 to 15. Highs in the lower 40s.

Mostly cloudy and brisk. Lows 10 to 15. Highs in the lower 40s.

Partly cloudy. Not as cool with lows in the lower 30s.

Partly sunny. A slight chance of rain in the morning. Highs in the mid 40s. Chance of rain 20 percent.

Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 30F. Dew point will be around 33F with an average humidity of 94%. Winds will be 9 mph from the N.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 43F. Dew point will be around 31F with an average humidity of 77%. Winds will be 9 mph from the N.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 27F. Dew point will be around 26F with an average humidity of 85%. Winds will be 9 mph from the N.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 39F. Dew point will be around 28F with an average humidity of 76%. Winds will be 7 mph from the N.

Mostly cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 26F. Dew point will be around 25F with an average humidity of 82%. Winds will be 4 mph from the N.

Mostly sunny. High temperature around 44F. Dew point will be around 28F with an average humidity of 71%. Winds will be 3 mph from the N.

Cloudy. Low temperature around 30F. Dew point will be around 29F with an average humidity of 79%. Winds will be 1 mph from the N.