SIOUX FALLS SiouxFallsWeather.com

Thursday, December 18, 2025

Zone Forecast Product

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...HIGH WIND WARNING NOW IN EFFECT UNTIL 9 PM CST THIS EVENING...

.THIS AFTERNOON...Snow likely. Blowing snow. Visibility one
quarter mile or less at times. Snow accumulation around half an
inch. Very windy and much cooler. Near steady temperature around
13. Temperature falling to around 12. Northwest winds 35 to
40 mph with gusts up to 65 mph. Chance of snow 60 percent. Wind
chill values as low as 12 below.
.TONIGHT...Areas of blowing snow in the evening. Mostly clear.
Windy and much colder with lows around 3 above. Northwest winds
20 to 30 mph with gusts up to 50 mph, becoming north 10 to 15 mph
with gusts up to 25 mph after midnight. Wind chill values as low
as 13 below.
.FRIDAY...Mostly sunny. Patchy blowing snow in the afternoon.
Highs around 30. South winds 15 to 20 mph with gusts up to
35 mph.
.FRIDAY NIGHT...Mostly cloudy. Not as cool with lows in the mid
20s. South winds 10 to 15 mph, becoming northwest after midnight.
.SATURDAY...Partly sunny in the morning, then clearing. Patchy
blowing snow in the afternoon. Highs in the lower 30s. Northwest
winds 15 to 20 mph with gusts up to 30 mph.
.SATURDAY NIGHT...Mostly clear. Colder with lows 10 to 15.
.SUNDAY...Mostly sunny. Highs in the mid 30s.
.SUNDAY NIGHT...Mostly cloudy and not as cool. Near steady
temperature around 30.
.MONDAY...Mostly sunny. Not as cool with highs in the mid 40s.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 20s.
.TUESDAY...Partly sunny. Highs in the lower 40s.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 20s.
.WEDNESDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the lower 40s.