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Daily ForecastO'Fallon, Missouri 63366· as of 12:46 PM UTC

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Trending Now

Winter Storm In Upper Midwest Could Bring Blizzard Conditions, Record Snow To Parts Of Wisconsin, Michigan

Another Severe Outbreak Ahead With Damaging Winds

El Niño Coming This Summer, Says NOAA In Update

Historic March Heat Wave Headed For Southwest

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Home & Garden

Don’t Make These Mistakes When Planting Your Spring Garden

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When To Worry About Mold Growing In Your Home

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Get Ahead For Spring With Essential Winter Garden Tips

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Why Your Home's Air Might Be More Polluted Than Outdoors

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On The Move

And The Best State For An Adventure Vacation Is ...

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California Wildflower Superblooms Are Back In 2026

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3 Big Changes Coming To National Parks In 2026

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‘Rare And Remarkable’: Lake Superior Ice Caves Reopen

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Spring Is Here

St. Patrick's Day Parades: NYC, Chicago, Boston And Savannah Celebrate In Four Different Seasons

When Are The Average Last Freezes In The US?

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Allergy Season Grows Longer – Especially In These Places

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Record Warmth Is Almost Tripling Record Cold This Year

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Editor's Pick

Traveling? See Live Airport Delays, Jet Stream Map And Destination Conditions

Weather-induced travel woes will increase as we head through the weekend. Here are some maps to track the weather ahead of your trip.

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Sun & Moon

Onlookers Stunned As Bright Meteor Streaks Across Sky

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Stay Safe

Why A Severe Thunderstorm Warning Could Save Your Life

Product Reviews & Deals

Best Pollen Air Purifiers: Help Control Your Allergies

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