SIOUX FALLS SiouxFallsWeather.com

Wednesday, September 9, 2026

Zone Forecast Product

.REST OF TONIGHT...Mostly clear. Cooler with lows in the upper 50s. Northwest winds around 5 mph. .WEDNESDAY...Sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the lower 80s. South winds 10 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. .FRIDAY...Sunny, breezy with highs in the upper 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .SATURDAY...Mostly sunny. Not as warm with highs in the mid 70s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 60s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 70 percent. .MONDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 70s.