| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 856 AM CDT Sat Mar 28 2026 |  |
Rest Of Today: Mostly sunny and very windy. Not as cool with highs in the lower 60s. Southwest winds 30 to 40 mph with gusts up to 50 mph. Tonight: Partly cloudy and breezy. Not as cool with lows in the upper 30s. Southwest winds 15 to 25 mph. Sunday: Mostly sunny. Highs in the upper 60s. South winds 5 to 10 mph. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph, becoming southeast after midnight. Monday: Mostly sunny. Highs in the upper 70s. Southeast winds 10 to 15 mph, becoming south in the afternoon. Monday Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Breezy and much cooler with highs in the upper 40s. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Breezy and much cooler with lows in the lower 20s. Wednesday: Sunny. Highs in the upper 40s. Wednesday Night: Partly cloudy. Lows in the lower 30s. Thursday: Mostly sunny. A chance of snow showers in the morning, then a chance of rain showers in the afternoon. Windy with highs in the lower 50s. Chance of precipitation 30 percent. Thursday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Windy with lows in the upper 30s. Chance of rain 30 percent. Friday: Mostly cloudy with a 50 percent chance of showers. Highs in the lower 50s. | |
| Zone Forecast: Lyon County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |