SIOUX FALLS SiouxFallsWeather.com

Tuesday, October 20, 2026

Zone Forecast Product

.THIS AFTERNOON...Sunny. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Mostly clear. Lows in the upper 40s. South winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 70s. Southeast winds around 5 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 50. Southeast winds around 5 mph. .THURSDAY...Sunny. Highs in the mid 70s. Southeast winds 10 to 15 mph. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. .FRIDAY...Partly sunny and windy. Highs in the lower 70s. .FRIDAY NIGHT...Mostly cloudy and breezy. Lows in the upper 50s. .SATURDAY...Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Cooler with lows in the mid 40s. .SUNDAY...Mostly sunny. A chance of showers in the morning. Highs in the lower 60s. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MONDAY...Mostly sunny. Highs in the upper 50s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com