SIOUX FALLS SiouxFallsWeather.com

Wednesday, September 9, 2026

Zone Forecast Product

.TODAY...Sunny. Highs in the upper 70s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...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. Not as cool with 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. South winds 15 to 25 mph with gusts up to 35 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. .SATURDAY...Mostly sunny. Not as warm with highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 50s. .SUNDAY...Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Showers likely with a chance of thunderstorms in the evening, then showers after midnight. Lows in the upper 50s. Chance of rain 80 percent. .MONDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 70s. Chance of rain 50 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. .TUESDAY...Mostly sunny. Highs in the lower 70s.