| NWS Forecast for: Lyon County Issued by: National Weather Service Sioux Falls, SD Last Update: 134 PM CDT Thu May 28 2026 |  |
| This Afternoon: Partly sunny. Near steady temperature in the upper 80s. Southeast winds 10 to 15 mph. Tonight: Cloudy. Lows in the lower 60s. Southeast winds 10 to 15 mph. Friday: Mostly cloudy. A slight chance of showers in the afternoon. Not as warm with highs in the upper 70s. Southeast winds 10 to 15 mph. Chance of rain 20 percent. Friday Night: Cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph. Chance of rain 70 percent. Saturday: A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 50 percent. Sunday: Mostly cloudy with a chance of showers and thunderstorms. Highs around 80. Chance of rain 50 percent. Sunday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent. Monday: Mostly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. Monday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 50 percent. Tuesday: Mostly sunny. Highs in the lower 80s. Tuesday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 30 percent. Wednesday: Partly sunny. Highs in the lower 80s. | |
| Zone Forecast: Lyon County | |
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