Phoenix weather: Record heat coming

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by April Warnecke

Bio | Email | Follow: @AprilWarnecke

azfamily.com

Posted on June 26, 2013 at 6:52 AM

Updated Wednesday, Jun 26 at 7:47 AM

PHOENIX -- We've only seen a temperature of 118 degrees (or higher) in Phoenix 12 times, but it looks like we're about to add to that tally. 

Today is the anniversary of the hottest day on record in Phoenix -- 122 degrees on June 26, 1990.

While we won't be anywhere near that today, a major heat wave is about to get underway across the desert Southwest, with records likely to be broken across Arizona. 

As a strong ridge of high pressure builds over our region, we'll see temps rise to about 107 today, but 113 tomorrow and 117 on Friday.  Saturday will likely be our hottest day of all at 118 degrees, which would break the record high of 117 on that date. 

Some all-time heat records are likely to be broken across the state with forecast highs of 101 in Show Low on Saturday.  It's only previously ever reached 100 degrees there. 

Prescott and Flagstaff will be near their all-time record temperatures with highs near 103 in Prescott and 95 in Flagstaff. Payson will top out near 106 degrees. 

There is an Excessive Heat Warning in effect for much of the state from Friday morning through Sunday night. A heat wave this hot and this long only happens about once every 10 years here in Arizona.

We'll get only slight relief early next week when Valley temperatures drop to about 112 by next Tuesday.

We'll see clouds and higher humidity by Sunday, but still no rain in sight for the Valley. 

Get the latest forecast for your neighborhood

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