SIOUX FALLS SiouxFallsWeather.com

Saturday, March 21, 2026

Zone Forecast Product

.REST OF TONIGHT...Mostly clear. Lows in the mid 40s. South winds
5 to 10 mph.
.SATURDAY...Sunny. Highs in the mid 80s. Southwest winds 10 to
15 mph.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Breezy, cooler with lows in the mid 30s. East
winds 15 to 20 mph, becoming north 20 to 25 mph after midnight.
Gusts up to 40 mph.
.SUNDAY...Partly sunny in the morning, then clearing. Much cooler
with highs around 50. North winds 15 to 20 mph with gusts up to
35 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. North winds
10 to 15 mph, becoming east around 5 mph after midnight.
.MONDAY...Partly sunny in the morning, then mostly cloudy with a
slight chance of rain in the afternoon. Highs in the mid 50s.
Chance of rain 20 percent.
.MONDAY NIGHT...Mostly cloudy. Not as cool with lows in the upper
30s.
.TUESDAY...Mostly cloudy. Highs in the lower 60s.
.TUESDAY NIGHT...Mostly cloudy. Lows around 40.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the upper 60s.
.WEDNESDAY NIGHT...Mostly cloudy. A slight chance of rain after
midnight. Lows in the lower 40s. Chance of rain 20 percent.
.THURSDAY...Partly sunny and breezy, cooler with highs in the mid
50s.
.THURSDAY NIGHT...Mostly cloudy. Much cooler with lows in the mid
20s.
.FRIDAY...Partly sunny. Highs in the upper 40s.