90-degree temps heat up the Valley

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by Kim Quintero

Bio | Email | Follow: @kimquintero

azfamily.com

Posted on April 21, 2013 at 5:28 PM

Updated Sunday, Apr 21 at 5:40 PM

PHOENIX -- The mercury continues to rise across the Valley of the Sun as high pressure flexes its muscle over the region.

Before we go any further with this article, let’s establish a fact.

A normal high temperature in Phoenix for this time of year is 87. Most of you might consider the upper 80s ‘warm.’ And while those who’ve braved Arizona summers before might not call the mid 90s ‘hot,’ the term could be tossed around now, considering we’ll be running a good four to eight degrees warmer than normal for most of the week.

With a ridge building over the state, the jet stream is keeping any cool air and moisture well to our north. Thus, warmth (or heat) is building in from the south, while a dry northwesterly flow keeps our sunshine plentiful and humidity low.

Monday morning’s low temperature in Phoenix should only dip to 64. The afternoon high will rise to 94.

We’ll cool each night into the 60s and rebound each day into the low to mid 90s. Our exception to this rule will come Thursday. We’re thinking we may see a high of only 87 in Phoenix thanks to a cutoff area of low pressure that skirts through our area.

While we’ll see temperatures dip a few degrees compared to previous days, there’s no rain in the forecast with this system.

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