SIOUX FALLS SiouxFallsWeather.com

Wednesday, March 18, 2026

Zone Forecast Product

.REST OF TODAY...Partly sunny. Not as cool with highs in the mid
50s. Southwest winds around 5 mph.
.TONIGHT...Mostly cloudy. Not as cool with lows in the lower 30s.
Southwest winds around 5 mph, becoming northwest after midnight.
.THURSDAY...Mostly cloudy in the morning, then becoming mostly
sunny. Patchy fog in the morning. Highs in the upper 50s.
Northeast winds around 5 mph, becoming southwest in the
afternoon.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. South
winds 5 to 10 mph, becoming west after midnight.
.FRIDAY...Mostly sunny. Warmer with highs in the lower 70s.
Northwest winds 10 to 15 mph.
.FRIDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. 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 in the evening, then becoming
partly cloudy. Lows in the mid 20s.
.MONDAY...Mostly sunny. Highs in the upper 40s.
.MONDAY NIGHT...Mostly cloudy. Lows in the lower 30s.
.TUESDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the mid 50s.