SIOUX FALLS SiouxFallsWeather.com

Saturday, June 20, 2026

Zone Forecast Product

.TONIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. Southeast winds 10 to 15 mph. .SUNDAY...Cloudy with a 50 percent chance of showers. Highs in the upper 60s. East winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy. A chance of showers in the evening. Lows in the lower 50s. Northeast winds 10 to 15 mph, becoming north around 5 mph after midnight. Chance of rain 40 percent. .MONDAY...Mostly sunny. Highs in the mid 70s. East winds around 5 mph. .MONDAY NIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .TUESDAY...A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of rain 70 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. .FRIDAY...Mostly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms after midnight. Lows around 60. Chance of rain 40 percent. .SATURDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com