SIOUX FALLS SiouxFallsWeather.com

Monday, August 24, 2026

Zone Forecast Product

.TONIGHT...Partly cloudy this evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds 10 to 15 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west 10 to 15 mph with gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest winds 10 to 15 mph. .WEDNESDAY...Sunny. Highs in the lower 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight. .THURSDAY...Sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. .FRIDAY...Partly sunny. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the mid 60s. Chance of rain 40 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 60s. .SUNDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. .MONDAY...Partly sunny. Highs in the mid 80s.