SIOUX FALLS SiouxFallsWeather.com

Monday, April 20, 2026

Zone Forecast Product

.TODAY...Sunny, breezy and much warmer with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Not as cool with lows in the lower 40s. South winds 15 to 20 mph with gusts up to 30 mph, becoming east around 5 mph after midnight. .TUESDAY...Sunny. Highs around 80. Northeast winds 5 to 10 mph. .TUESDAY NIGHT...Mostly clear. Not as cool with lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly sunny and windy. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph, increasing to 20 to 30 mph with gusts up to 40 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Windy with lows in the upper 50s. Chance of rain 50 percent. .THURSDAY...Mostly cloudy in the morning, then clearing. A 50 percent chance of showers. Windy with highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy and windy. Much cooler with lows in the upper 30s. .FRIDAY...Mostly sunny and breezy. Much cooler with highs in the upper 50s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s. .SATURDAY...Partly sunny. Highs in the mid 50s. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. .SUNDAY...Partly sunny. Highs in the upper 50s.

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