SIOUX FALLS SiouxFallsWeather.com

Tuesday, July 21, 2026

Zone Forecast Product

.REST OF TONIGHT...Partly cloudy and not as warm. Near steady temperature in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Sunny. Not as warm with highs around 80. North winds 15 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds 10 to 15 mph with gusts up to 25 mph, becoming northeast around 5 mph after midnight. .WEDNESDAY...Partly sunny. Highs in the upper 70s. Northeast winds around 5 mph, becoming northwest in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. South winds around 5 mph. .THURSDAY...Partly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of showers. Lows in the lower 60s. .FRIDAY...Partly sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. .SATURDAY...Sunny, warmer with highs in the mid 90s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values in the upper 90s early in the evening. .SUNDAY...Mostly sunny. Hot with highs in the mid 90s. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. .MONDAY...Sunny. Highs in the lower 90s. -- This email has been checked for viruses by AVG antivirus software. www.avg.com