| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 134 PM CDT Sun May 10 2026 |  |
This Afternoon: Sunny. Highs in the lower 70s. Northwest winds around 15 mph with gusts up to 25 mph. Tonight: Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph, becoming east after midnight. Monday: Mostly sunny. Warmer with highs in the mid 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Monday Night: Partly cloudy and breezy. Not as cool with lows in the upper 50s. South winds 15 to 20 mph, becoming southwest 15 to 25 mph after midnight. Tuesday: Partly sunny in the morning, then clearing. Breezy with highs in the upper 70s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Tuesday Night: Mostly clear and breezy, cooler with lows in the mid 40s. Wednesday: Sunny. Highs in the upper 70s. Wednesday Night: Mostly clear. Lows in the lower 50s. Thursday: Mostly sunny and windy. Highs in the mid 80s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Windy with lows in the upper 50s. Friday: Mostly sunny and breezy. Highs in the mid 80s. Friday Night: Partly cloudy. Lows in the upper 50s. Saturday: Mostly sunny and breezy. Highs in the lower 80s. | |
| Zone Forecast: Yankton County | |
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