Chilly day with a chance of showers ahead

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PHOENIX -- We're really cooling things down today. The high today will be 20 degrees cooler than yesterday. You'll also want to keep an umbrella handy as there is a chance of showers throughout the day and possibly some isolated thunderstorms this evening.

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We've aleady seen some snow in Flagstaff and Sedona. Snow levels could get down to 4,500 feet.

The second system should be here by late morning or early afternoon.

Things should clear out Friday, with temperatures returning to where they should be for this time of year by the weekend.

Plan on a high of 64 degrees today (that should be closer to 80 this time of year) with an overnight low of 46. The high on Friday should be up to 69, and then 79 on Saturday and 83 on Sunday.