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Sioux Falls, South Dakota Weather:
Wednesday, February 18, 2026
Cloudy Weather
Day 21°
Night 14°
Precipitation 25 %
Wind 17 mph
UV Index (0 - 11+) 1
Weather Forecast History
Last Year's Weather on This Day (February 18, 2025)
Cold Day

Day

0°

Night

-15°

Wind

9 mph

UV Index

2

Precipitation

0 %