SIOUX FALLS SiouxFallsWeather.com

Saturday, August 22, 2026

Zone Forecast Product

.OVERNIGHT...Partly cloudy late this evening, then becoming mostly cloudy. Lows in the mid 50s. East winds around 5 mph. .SUNDAY...Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph, becoming south in the afternoon. .SUNDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50 percent. .MONDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs around 80. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .TUESDAY...Mostly sunny. Highs in the mid 80s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .WEDNESDAY...Sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Clear. Lows in the upper 50s. .THURSDAY...Sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 60. .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 50 percent. .SATURDAY...Partly sunny. Highs in the lower 80s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com