7-Day Zone Forecast for Lyon County (Text-Only)
NWS Forecast for: Lyon County
Issued by: National Weather Service Sioux Falls, SD
Last Update: 910 AM CST Sat Jan 10 2026
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Rest Of Today: Mostly cloudy late this morning, then clearing. A chance of snow late this morning. Little or no snow accumulation. Highs in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 50 percent.

Tonight: Clear, cold with lows around 11. Northwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight.

Sunday: Sunny. Highs in the mid 30s. Southwest winds 5 to 10 mph.

Sunday Night: Partly cloudy. Not as cool with lows in the mid 20s. West winds 5 to 10 mph.

Monday: Mostly sunny. Not as cool with highs in the upper 40s. West winds 5 to 10 mph.

Monday Night: Mostly cloudy and not as cool. Near steady temperature in the upper 30s.

Tuesday: Mostly sunny. Highs in the lower 50s.

Tuesday Night: Mostly cloudy. Cooler with lows in the mid 20s.

Wednesday: Mostly sunny. Much cooler with highs in the lower 30s.

Wednesday Night: Partly cloudy. Lows around 20.

Thursday: Partly sunny in the morning, then mostly cloudy with a slight chance of rain and snow in the afternoon. Highs around 40. Chance of precipitation 20 percent.

Thursday Night: A slight chance of rain in the evening. Mostly cloudy with a slight chance of snow. Lows in the upper 20s. Chance of precipitation 20 percent.

Friday: Mostly cloudy with a 50 percent chance of snow. Breezy with highs in the lower 30s. Temperature falling into the upper 20s in the afternoon.







Zone Forecast: Lyon County

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