10-Day Weather Forecast - Vivian, SD

Partly sunny. A slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Breezy hot with highs in the upper 90s. East winds 10 to 15 mph becoming southeast 15 to 25 mph with gusts up to 35 mph in the afternoon. Chance of rain 20 percent.

Mostly cloudy. A chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Breezy with lows in the mid 60s. South winds 15 to 25 mph with gusts up to 35 mph becoming northwest 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 50 percent.

Mostly cloudy with a slight chance of thunderstorms in the morning then partly sunny in the afternoon. Not as warm. Humid with highs in the mid 80s. North winds 10 to 15 mph. Chance of rain 20 percent.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph becoming east 5 to 10 mph after midnight.

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

Partly cloudy with a chance of thunderstorms in the evening then mostly cloudy after midnight. Lows in the lower 60s. Chance of rain 30 percent.

Partly sunny. Hot with highs in the lower 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Mostly clear. Hot. Lows in the upper 60s. Highs in the upper 90s.

Mostly clear and breezy hot. Highs around 100. Lows in the lower 70s. Heat index values up to 100.

Mostly clear and breezy hot. Highs around 100. Lows in the lower 70s. Heat index values up to 100.

Mostly clear and breezy hot. Highs around 100. Lows in the lower 70s. Heat index values up to 100.

Clear with scattered thunderstorms. Chance of storms 35%. Low temperature around 74F. Dew point will be around 57F with an average humidity of 41%. Winds will be 9 mph from the SE.

Sunny with scattered thunderstorms. Chance of storms 55%. High temperature around 94F. Dew point will be around 62F with an average humidity of 47%. Winds will be 6 mph from the SE.

Clear with scattered thunderstorms. Chance of storms 55%. Low temperature around 70F. Dew point will be around 59F with an average humidity of 48%. Winds will be 8 mph from the SE.

Sunny. High temperature around 92F. Dew point will be around 61F with an average humidity of 50%. Winds will be 7 mph from the SE.

Clear. Low temperature around 70F. Dew point will be around 59F with an average humidity of 49%. Winds will be 6 mph from the SE.