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Smith Lake, SD Weather Forecast
Smith Lake, SD Weather Forecast Date: 922 AM CDT Sun Sep 13 2026
The area/counties/county of: Codington, including the city of Watertown.or toggle through each period.
Rest of Today... Partly sunny. Highs around 70. East winds around 5 mph.
Tonight... Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight.
Monday... A slight chance of thunderstorms. Showers, breezy with highs around 70. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100%.
Monday Night... Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20%.
Tuesday... Mostly sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Wednesday... Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30%.
Wednesday Night... Mostly cloudy. A slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 50. Chance of rain 20%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.
Thursday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Chance of rain 40%.
Friday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Chance of rain 40%.
Friday Night... Partly cloudy. A 20% chance of showers. Lows in the lower 50s. Highs in the lower 70s.
POP = Probability of Precipitation
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