SIOUX FALLS SiouxFallsWeather.com

Wednesday, March 18, 2026

Zone Forecast Product

.TODAY...Partly sunny this morning, then becoming mostly cloudy.
Not as cool with highs in the upper 40s. West winds 5 to 10 mph.
.TONIGHT...Mostly cloudy in the evening, then becoming partly
cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph,
becoming northwest after midnight.
.THURSDAY...Mostly sunny. Not as cool with highs in the upper
50s. Northwest winds around 5 mph, becoming west in the
afternoon.
.THURSDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. Lows in the lower 40s. Southwest winds 5 to
10 mph.
.FRIDAY...Mostly sunny. Warmer with highs in the lower 70s.
Northwest winds 15 to 20 mph.
.FRIDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows
in the mid 40s.
.SATURDAY...Mostly sunny. Highs in the upper 70s.
.SATURDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the mid 30s.
.SUNDAY...Mostly cloudy. Much cooler with highs in the upper 40s.
.SUNDAY NIGHT...Mostly cloudy. Lows in the mid 20s.
.MONDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the upper 40s.
.MONDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Lows in the lower 30s.
.TUESDAY...Mostly cloudy. Highs in the mid 50s.