| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 949 AM CDT Sun Oct 19 2025 | |
| Rest Of Today: Sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph. Tonight: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Monday: Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Windy with highs in the lower 60s. West winds 15 to 25 mph with gusts up to 35 mph, becoming northwest 25 to 30 mph with gusts up to 45 mph in the afternoon. Chance of rain 20 percent. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the lower 40s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Tuesday: Sunny, windy with highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 40 mph. Tuesday Night: Mostly clear. Lows in the mid 30s. Wednesday: Sunny. Highs in the upper 50s. Wednesday Night: Mostly clear. Lows in the lower 30s. Thursday: Sunny. Highs in the upper 50s. Thursday Night: Partly cloudy. Lows in the mid 30s. Friday: Mostly sunny. Highs in the upper 50s. Friday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 30s. Saturday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: Yankton County | |
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