| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 714 AM CDT Wed Aug 26 2026 |  |
Today: Sunny. Highs in the mid 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Tonight: Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph. Thursday: Sunny. Highs in the mid 80s. Northwest winds around 5 mph. Thursday Night: Mostly clear. Lows around 60. Southeast winds around 5 mph. Friday: Mostly sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Saturday: Mostly sunny. Highs in the lower 90s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. Sunday: Partly sunny. Highs around 90. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Monday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 80s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. Tuesday: Partly sunny. Highs in the mid 80s. | |
| Zone Forecast: Yankton County | |
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