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Naperville, Illinois Weather:
Wednesday, February 18, 2026
Snowy Weather
Day 30°
Night 21°
Precipitation 25 %
Wind 4 mph
UV Index (0 - 11+) 3
Weather Forecast History
Last Year's Weather on This Day (February 18, 2025)
Cold Day

Day

14°

Night

0°

Wind

8 mph

UV Index

3

Precipitation

1 %