| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 1119 AM CST Fri Jan 9 2026 |  |
This Afternoon: Mostly cloudy. Highs in the mid 30s. Northwest winds around 5 mph. Tonight: Mostly cloudy in the evening, then clearing. Lows in the lower 20s. Northwest winds 5 to 10 mph. Saturday: Sunny. Highs in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Saturday Night: Partly cloudy in the evening, then becoming mostly clear. Colder with lows around 11. Northwest winds 10 to 15 mph. Sunday: Mostly sunny. Highs in the mid 30s. Southwest winds 5 to 10 mph. Sunday Night: Partly cloudy and not as cool. Near steady temperature in the upper 20s. Monday: Partly sunny. Not as cool with highs in the mid 40s. Monday Night: Mostly cloudy. Near steady temperature in the upper 30s. Tuesday: Partly sunny in the morning, then becoming mostly cloudy. A 20 percent chance of rain. Highs in the upper 40s. Temperature falling into the lower 40s in the afternoon. Tuesday Night: Mostly cloudy. Cooler with lows in the mid 20s. Wednesday: Mostly cloudy in the morning, then becoming partly sunny. Much cooler with highs in the mid 30s. Wednesday Night: Mostly cloudy. Lows in the lower 20s. Thursday: Mostly cloudy. A slight chance of snow in the morning, then a chance of rain and snow in the afternoon. Highs in the upper 30s. Chance of precipitation 30 percent. | |
| Zone Forecast: Lyon County | |
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