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City of Yankton, SDYankton, SD 7-Day Weather Forecast
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Yankton Weather Forecast
Yankton, SD Weather Forecast Date: 734 PM CDT Sun Sep 13 2026
Weather forecast for Yankton, SD
Tonight Lo: 55°F Lo: 13°C |
Tonight... Mostly cloudy. A slight chance of sprinkles this evening, then showers with a chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 15 to 20 mph. Chance of rain 90%. |
Mon Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Monday... Mostly cloudy. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70%. |
Tue Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly sunny. Less humid with highs in the lower 70s. North winds 5 to 10 mph. |
| Wed Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40%. |
Thu Hi: 71°FHi: 22°C Lo: 60°F Lo: 16°C |
Thursday... Cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30%. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 70%. |
Sat Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Saturday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. |
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