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Sioux Falls, South Dakota Weather:
Sunday, January 18, 2026
Cloudy Weather
Day 19°
Night 1°
Precipitation 4 %
Wind 15 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (January 18, 2025)
Cloudy Weather

Day

14°

Night

-8°

Wind

16 mph

UV Index

1

Precipitation

0 %