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County Forecast for Watertown , SD
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010600-
Codington-
Including the city of Watertown
537 PM CDT Fri Jul 31 2026

Tonight   Patchy smoke this evening. Partly cloudy. Lows in the upper 50s. North winds 10 to 15 mph.
Saturday   Partly sunny. Highs around 80. North winds 5 to 10 mph with gusts up to 20 mph.
Saturday night   Partly cloudy. Lows around 60. East winds around 5 mph, becoming southeast after midnight.
Sunday   Mostly sunny. Highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph.
Monday   Partly sunny and breezy. Highs in the mid 80s.
Monday night   Mostly clear with a chance of thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 70 percent.
Tuesday   Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Not as warm with highs in the lower 70s. Chance of rain 20 percent.
Tuesday night   Partly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 20 percent.
Wednesday   Partly sunny. Highs in the mid 70s.
Wednesday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Thursday   Partly sunny. Highs in the upper 70s.
Thursday night   Mostly clear in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Friday   Partly sunny. Highs in the lower 80s.
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Bryce Anderson – DTN Meteorologist
System Bringing Heavy Rain Eastward Through Corn Belt This Weekend
Posted at 12:06PM Fri Jul 31, 2026 CDT
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