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Wallace, SD Weather Forecast
Wallace, SD Weather Forecast Date: 221 AM CDT Mon Sep 07 2026
The area/counties/county of: Codington, including the city of Watertown.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the mid 60s. Southeast winds 5 to 10 mph with gusts up to 25 mph.
Monday... Mostly cloudy. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%.
Monday Night... Mostly cloudy. A chance of thunderstorms, mainly in the evening. Breezy with lows in the upper 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%.
Tuesday... Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 30 mph, becoming northwest with gusts up to 20 mph in the afternoon. Chance of rain 20%.
Tuesday Night... Mostly clear. Cooler with lows in the upper 50s. West winds 5 to 10 mph.
Wednesday... Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
Wednesday Night... Mostly clear. Highs in the mid 70s. Lows in the lower 50s.
Thursday... Sunny. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Friday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Partly sunny. Not as warm with highs in the lower 70s.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 50. Chance of rain 30%.
POP = Probability of Precipitation
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