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Sioux Falls, South Dakota Weather:
Tuesday, January 20, 2026
Cloudy Weather
Day 12°
Night -2°
Precipitation 25 %
Wind 10 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (January 20, 2025)
Snowy Weather

Day

-8°

Night

-15°

Wind

17 mph

UV Index

1

Precipitation

93 %