10-Day Weather Forecast for O'Fallon, Missouri 63368 - The Weather Channel | weather.com

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Daily ForecastO'Fallon, Missouri 63368· as of 11:08 PM UTC

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Spring Is Here

Leaves Increasing On Trees In The South, Pollen On The Rise

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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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Big Bear Bald Eagle Protecting Their Eggs During Windstorm Is the Most Inspiring Hero

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Dog Gives Dad the Cold Shoulder After Making Him Wear a Rain Coat, and We’re Cracking Up

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Excited Porcupines Jump up and Down With Excitement Being Let Back Outside After Snowstorm

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Dad’s Running Commentary While Rescuing His Pup From 20 Inches of Snow Is Pure Comedy

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Your Outlook For April-June: What's In Store For You

The forecast for April, May and June is giving early heat vibes across most of the country, but there is one region where below-average temperatures are expected.

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Chickpeas Can Be Grown In Space, Researchers Say

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