SIOUX FALLS SiouxFallsWeather.com

Monday, October 19, 2026

Zone Forecast Product

.TODAY...Partly sunny this morning, then clearing. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast with gusts up to 20 mph this afternoon. .TONIGHT...Mostly clear. Lows in the mid 40s. Southeast winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the upper 60s. South winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. South winds 10 to 15 mph. .WEDNESDAY...Sunny. Highs in the lower 70s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. Windy with highs in the lower 70s. .FRIDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Breezy with lows in the upper 50s. Chance of rain 40 percent. .SATURDAY...Partly sunny with a 50 percent chance of showers. Highs in the mid 60s. .SATURDAY NIGHT...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Cooler with lows in the mid 40s. Chance of rain 50 percent. .SUNDAY...Mostly sunny. Highs in the lower 60s.