SIOUX FALLS SiouxFallsWeather.com

Saturday, August 1, 2026

Zone Forecast Product

.TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northeast winds around 5 mph, becoming southeast after midnight. .SUNDAY...Patchy fog in the morning. Mostly sunny. Humid with highs in the lower 80s. South winds 10 to 15 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. .MONDAY...Sunny, breezy with highs in the mid 80s. South winds 15 to 25 mph with gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with lows in the lower 60s. South winds 15 to 20 mph, becoming northwest 10 to 15 mph after midnight. Chance of rain 50 percent. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Not as warm with highs in the lower 70s. Chance of rain 50 percent. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. .WEDNESDAY...Partly sunny. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. .THURSDAY...Partly sunny in the morning, then clearing. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Mostly sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. .SATURDAY...Mostly sunny. Highs in the lower 80s.