| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 555 PM CDT Sun Oct 19 2025 |  |
| Tonight: Mostly clear. Not as cool with lows in the upper 40s. South winds 15 to 20 mph. Monday: Mostly cloudy in the morning, then clearing. Windy with highs in the lower 60s. West winds 15 to 25 mph, becoming northwest 25 to 30 mph in the afternoon. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Windy with lows in the lower 40s. Northwest winds 20 to 30 mph with gusts up to 40 mph. Tuesday: Mostly sunny and windy. Highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 40 mph. Tuesday Night: Mostly clear. Widespread frost after midnight. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming west around 5 mph after midnight. Wednesday: Widespread frost in the morning. Sunny. Highs in the upper 50s. Wednesday Night: Clear. Widespread frost after midnight. Lows in the lower 30s. Thursday: Widespread frost in the morning. Sunny. Highs around 60. Thursday Night: Partly cloudy. Lows in the upper 30s. Friday: Areas of frost in the morning. Mostly sunny. Highs in the lower 60s. Friday Night: Partly cloudy. Lows around 40. Saturday: Sunny. Highs in the lower 60s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Sunday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. | |
| Zone Forecast: Yankton County | |
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