Phoenix weather: Thursday storm brings mild day

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Guess the First 100-degree Day Contest

PHOENIX -- A mostly dry weather system moves through Arizona today, bringing a few weather changes. 

The Valley has topped out in the 90s all week, which is a few degrees above average for this time of year. 

As today's low-pressure system pushes through Arizona, we'll be slightly cooler in the mid 80s under partly sunny skies.  There is a slight chance for an isolated shower or thunderstorm late morning and early afternoon before skies clear by this evening.  Breezy conditions are likely across the state, with 10-15 mph southwesterly winds in the Valley. 

Abundant sunshine returns Friday for the start of a big warm-up.  Friday, look for highs near 90 degrees, with mid to upper 90s likely all weekend and into much of next week. 

After today, no rain is likely for the next week. 

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