10-Day Weather Forecast for San Tan Valley, Arizona 85140 - The Weather Channel | weather.com

Today Hourly 10 Day Monthly Allergies Air Quality Cold & Flu

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Daily ForecastSan Tan Valley, Arizona 85140· as of 12:24 PM UTC

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Spring Is Here

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Study: Winters Less Snowy, Shortening Across N. Hemisphere

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Allergy Season Grows Longer – Especially In These Places

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Editor's Pick

April Will Be Spectacular For Skywatching: Our List Of Must-See Spectacles

The new month kicks off with a full moon and will wrap up with Comet C/2025 R3 making its closest approach to Earth. April also has a meteor shower and Mercury at its most visible in the night sky. Watch this video to find out when you should get outside and take in these celestial events.

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Sun & Moon

April Promises Spectacular Skywatching: See Our List

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Stay Safe

Know The Difference Between Tornado Watches And Warnings

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Product Reviews & Deals

Best Pollen Air Purifiers: Help Control Your Allergies

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