SIOUX FALLS SiouxFallsWeather.com

Wednesday, August 26, 2026

Zone Forecast Product

.TONIGHT...Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph. .THURSDAY...Sunny. Highs in the mid 80s. North winds around 5 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. East winds around 5 mph. .FRIDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Southeast winds 15 to 20 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent. .SATURDAY...Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 70s. .SUNDAY...Partly sunny. Highs in the lower 90s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 60s. .MONDAY...Partly sunny. Highs in the upper 80s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .TUESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent. .WEDNESDAY...Partly sunny in the morning, then clearing. Highs in the upper 80s.