News Headlines
| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 238 AM CDT Wed Jun 10 2026 | |
Today: Mostly sunny. A slight chance of showers and thunderstorms this morning. Breezy with highs in the upper 80s. South winds 15 to 20 mph, becoming west 20 to 25 mph this afternoon. Chance of rain 20 percent. Tonight: Mostly clear in the evening, then becoming mostly cloudy. Cooler. Less humid with lows in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming east around 5 mph after midnight. Thursday: Mostly cloudy in the morning, then clearing. A 50 percent chance of showers. Breezy and not as warm with highs in the mid 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph in the afternoon. Thursday Night: Mostly clear and breezy. Lows in the mid 50s. Northwest winds 20 to 25 mph, becoming west 5 to 10 mph after midnight. Friday: Sunny, warmer with highs in the upper 80s. West winds 10 to 15 mph with gusts up to 25 mph. Friday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. Saturday: Mostly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 40 percent. Saturday Night: Mostly clear. Lows in the lower 50s. Sunday: Mostly sunny. Not as warm with highs in the lower 70s. Sunday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50. Monday: Partly sunny. Highs in the mid 70s. Monday Night: Partly cloudy. Lows in the lower 50s. Tuesday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Lyon County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |