10-Day Weather Forecast - Westport, SD

Partly sunny. Hot with highs around 90. Northeast winds 5 to 10 mph, becoming east with gusts up to 20 mph in the afternoon.

Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Partly sunny. A slight chance of thunderstorms in the morning. Hot with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Partly cloudy in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Partly sunny. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.

Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Mostly clear in the evening, then becoming partly cloudy. Cooler with lows in the upper 50s.

Partly sunny. Highs in the lower 80s.

Partly cloudy. A 20 percent chance of showers. Lows in the mid 50s.

Partly cloudy. A 20 percent chance of showers. Highs in the upper 70s.

Mostly clear. Low temperature around 56F. Dew point will be around 56F with an average humidity of 82%. Winds will be 4 mph from the E.

Partly cloudy. High temperature around 75F. Dew point will be around 59F with an average humidity of 73%. Winds will be 3 mph from the SE.

Mostly clear. Low temperature around 55F. Dew point will be around 58F with an average humidity of 84%. Winds will be 3 mph from the E.

Sunny. High temperature around 75F. Dew point will be around 59F with an average humidity of 74%. Winds will be 2 mph from the S.

Clear. Low temperature around 54F. Dew point will be around 57F with an average humidity of 85%. Winds will be 2 mph from the SE.