7-Day Zone Forecast for Lyon County (Text-Only)
NWS Forecast for: Lyon County
Issued by: National Weather Service Sioux Falls, SD
Last Update: 314 PM CST Sun Nov 23 2025




Tonight: Partly cloudy. Lows in the mid 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Monday: Partly sunny in the morning, then becoming mostly cloudy. Highs around 50. West winds 5 to 10 mph, becoming northwest in the afternoon.

Monday Night: Mostly cloudy. Lows in the mid 30s. Northwest winds around 5 mph.

Tuesday: Mostly cloudy. Rain likely in the morning, then a chance of rain and snow in the afternoon. Little or no snow accumulation. Breezy with highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. West winds 10 to 15 mph, increasing to 15 to 25 mph in the afternoon. Chance of precipitation 70 percent.

Tuesday Night: Cloudy. A chance of snow in the evening. Patchy blowing snow in the evening. Light snow accumulation possible. Breezy, cooler with lows in the lower 20s. Northwest winds 20 to 25 mph with gusts up to 35 mph. Chance of snow 40 percent.

Wednesday: Partly sunny and breezy, cooler with highs in the upper 20s.

Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows 15 to 20.

Thanksgiving Day: Mostly sunny. Highs in the upper 20s.

Thursday Night: Mostly cloudy. Cold with lows 10 to 15.

Friday: Mostly cloudy. A slight chance of snow in the afternoon. Highs in the mid 20s. Chance of snow 20 percent.

Friday Night: Mostly cloudy with a 40 percent chance of snow. Lows 15 to 20.

Saturday: Mostly cloudy with a 30 percent chance of snow. Highs in the mid 20s.

Saturday Night: Cloudy with a 30 percent chance of snow. Cold with lows around 10 above.

Sunday: Mostly cloudy. A slight chance of snow in the morning, then a chance of snow in the afternoon. Highs around 20. Chance of snow 30 percent.







Zone Forecast: Lyon County

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