| NWS Forecast for: Rock County Issued by: National Weather Service Sioux Falls, SD Last Update: 539 AM CDT Fri May 22 2026 | |
Today: Showers. A slight chance of thunderstorms this morning, then a chance of thunderstorms this afternoon. Breezy with highs in the lower 60s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain near 100 percent. Tonight: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 70 percent. Saturday: Partly sunny. Highs in the lower 70s. West winds 5 to 10 mph. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southwest winds 5 to 10 mph, becoming south after midnight. Sunday: Sunny. Highs around 80. South winds 10 to 15 mph. Sunday Night: Mostly clear. Lows in the mid 50s. Memorial Day: Sunny. Highs in the upper 80s. Monday Night: Mostly clear. Lows in the upper 50s. Tuesday: Sunny. Highs in the mid 80s. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. Wednesday: Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 50s. Chance of rain 30 percent. Thursday: Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. | |
| Zone Forecast: Rock County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |