| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 1101 PM CST Mon Mar 2 2026 |  |
Overnight: Cloudy with a chance of sprinkles. A chance of flurries late this evening, then a slight chance of drizzle. Not as cool. Near steady temperature in the mid 30s. Southeast winds 5 to 10 mph. Tuesday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 40s. Southeast winds around 5 mph, becoming east in the afternoon. Tuesday Night: Partly cloudy. Lows in the lower 30s. Southeast winds around 5 mph. Wednesday: Mostly sunny. A chance of sprinkles in the morning. Highs in the mid 50s. South winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the lower 30s. South winds around 5 mph. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Mostly cloudy. A chance of rain in the evening, then rain likely with a slight chance of thunderstorms after midnight. Not as cool with lows in the mid 40s. Chance of rain 70 percent. Friday: Rain likely. Highs in the upper 50s. Chance of rain 70 percent. Friday Night: Mostly cloudy. A chance of rain, mainly in the evening. Much cooler with lows in the upper 20s. Chance of rain 40 percent. Saturday: Sunny. Highs in the lower 50s. Saturday Night: Mostly clear. Lows in the lower 30s. Sunday: Mostly sunny. Not as cool with highs in the lower 60s. Sunday Night: Partly cloudy. Lows in the mid 30s. Monday: Mostly sunny and breezy. Highs in the lower 60s. | |
| Zone Forecast: Lyon County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |