SIOUX FALLS SiouxFallsWeather.com

Friday, August 14, 2026

Zone Forecast Product

.TODAY...Cloudy with a chance of showers. A slight chance of thunderstorms this afternoon. Highs in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .TONIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs around 80. West winds 5 to 10 mph. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 40 percent. .SUNDAY...Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. .MONDAY...Mostly sunny. Highs in the upper 70s. .MONDAY NIGHT...Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent. .TUESDAY...Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 60 percent. .TUESDAY NIGHT...Becoming mostly cloudy after midnight. A chance of thunderstorms. Showers likely, mainly in the evening. Lows around 60. Chance of rain 60 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com