Sioux Falls, South Dakota Weather:
Friday, December 18, 2026
Partly Sunny with a Chance of Snow
Day 36°
Night 19°
Precipitation 0 %
Wind 13 mph
Weather Forecast History
Last Year's Weather on This Day (December 18, 2025)
Cloudy Night

Day

25°

Night

3°

Wind

13 mph

Precipitation

0 %