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Vivian, SD 7-Day Night Weather Forecast
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Vivian, SD Weather Forecast
Vivian, SD Weather Forecast Date: 637 AM CDT Tue Aug 11 2026
The area/counties/county of: Lyman, including the city of Kennebec.or toggle through each period.
Today... Areas of fog this morning. Partly sunny. Highs in the upper 80s. East winds 10 to 15 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. A 50% chance of thunderstorms. Humid with lows in the mid 60s. East winds 10 to 15 mph.
Wednesday... Partly sunny. A chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Northeast winds 5 to 10 mph, becoming east with gusts up to 20 mph in the afternoon. Chance of rain 50%.
Wednesday Night... Showers likely. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 70%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. A slight chance of thunderstorms. Humid with highs in the mid 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40%.
Thursday Night... Mostly cloudy. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 50%.
Friday... A chance of showers in the morning. Cloudy with a slight chance of thunderstorms. Highs in the lower 70s. Chance of rain 50%.
Friday Night... Mostly cloudy with a 50% chance of thunderstorms. Lows around 60. Highs in the upper 70s.
Saturday... Mostly cloudy with a 50% chance of thunderstorms. Lows around 60. Highs in the upper 70s.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Sunday... Partly sunny with a 20% chance of showers. Highs in the upper 70s.
Sunday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 40%.
POP = Probability of Precipitation
Vivian Radar Loop
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