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Today's Weather - Arnold, MO
December 15, 2025 3:43 AMSt Louis Downtown Arpt Cahokia11°Feels Like 3°Hi 11°F Lo 11°FClear -
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Weather Details
- Windchill 6ºF Daily Rain --
- Dewpoint -0ºF Monthly Rain 6"
- Humidity 56% Avg. Wind S 4mph
- Pressure -- Wind Gust --
- Sunrise 7:11 AM Moon Waning Crescent
- Sunset 4:41 PM UV Index 2 (Low)
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