SIOUX FALLS SiouxFallsWeather.com

Sunday, June 21, 2026

Zone Forecast Product

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