SIOUX FALLS SiouxFallsWeather.com

Sunday, September 27, 2026

Zone Forecast Product

.TONIGHT...Mostly cloudy. Isolated showers this evening. Lows around 60. East winds around 5 mph. Chance of rain 20 percent. .MONDAY...Mostly cloudy. A chance of sprinkles with patchy drizzle in the morning. Patchy fog in the morning. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .TUESDAY...A slight chance of thunderstorms. Showers. Highs in the upper 60s. South winds 10 to 15 mph. Chance of rain near 100 percent. .TUESDAY NIGHT...Cloudy with a 50 percent chance of showers. Lows in the upper 50s. Southwest winds around 5 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 60s. .WEDNESDAY NIGHT...Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 50 percent. .THURSDAY...Partly sunny in the morning, then clearing. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Cooler with lows in the mid 40s. .FRIDAY...Sunny. Highs in the lower 60s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Mostly sunny. Highs in the upper 50s.