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Sioux Falls, South Dakota Weather:
Thursday, September 18, 2025
Cloudy Weather
Day 81°
Night 59°
Precipitation 3 %
Wind 8 mph
UV Index (0 - 11+) 11

Weather Forecast History

Last Year's Weather on This Day (September 18, 2024)

Stormy Weather

Day

82°

Night

66°

Wind

15 mph

UV Index

4

Precipitation

70