❮
Today Tomorrow Hourly 7 days 30 days September
❯
Sioux Falls, South Dakota Weather:
Sunday, September 21, 2025
Sunny Weather
Day 73°
Night 59°
Precipitation 5 %
Wind 1 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 21, 2024)

Sunny with a Chance of Thunderstorms

Day

79°

Night

54°

Wind

14 mph

UV Index

4

Precipitation

55