| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 644 PM CDT Fri Oct 3 2025 |  |
| Tonight: Mostly clear. Warmer with lows around 70. South winds 15 to 20 mph with gusts up to 30 mph. Saturday: Sunny, windy with highs around 90. South winds 20 to 30 mph with gusts up to 40 mph. Saturday Night: Mostly clear and windy. Lows in the upper 60s. South winds 20 to 30 mph with gusts up to 40 mph. Sunday: Sunny, breezy and not as warm with highs around 80. South winds around 25 mph, becoming southwest in the afternoon. Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Much cooler with lows in the mid 40s. Northwest winds 15 to 20 mph, becoming north 5 to 10 mph after midnight. Monday: Mostly sunny. Much cooler with highs in the lower 60s. Monday Night: Mostly clear. Lows in the mid 40s. Tuesday: Sunny. Highs in the upper 60s. Tuesday Night: Clear. Lows in the lower 40s. Wednesday: Sunny. Highs in the upper 60s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Thursday: Mostly sunny. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the lower 50s. Friday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: Lyon County | |
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