NWS: June goes down as hottest on record in Phoenix

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By Andrew Michalscheck By Andrew Michalscheck

PHOENIX -- A strong ridge of high pressure is still hanging out over the West. This is the culprit behind Arizona's heatwave. It's centered over Vegas and will shift to central Nevada later Sunday. 

Expect another unseasonably hot day ahead, but not as hot as Saturday. Sunday morning rang in with a record. The low Sky Harbor only dipped to 91 degrees, tying the record for the warmest low temperature on this date. We're expecting an afternoon high of 116, which would break the current high record on this day set in 1979. The National Weather Service of Phoenix says preliminary reports indicate June will go down in the books as the hottest on record.
July will roar in like a lion. The high for Monday in Phoenix should top out around 114. We won't see temps drop down to close to normal for this time of year until the 4th of July.
Excessive Heat Warnings across the lower deserts and some higher elevation communities is extended until 8 p.m. Monday.
Thunderstorms are expected to fire up once again Sunday afternoon along northern and eastern Arizona. An isolated cell may makes its way into Maricopa County Sunday afternoon or evening. As of now, there is a 10 percent chance of this happening. Otherwise, any storm activity should be hard pressed to make it over the mountains. 
Outflow boundaries could produce some pockets of gusty winds or blowing dust in the Valley this afternoon or evening. 
The chance for thunderstorm activity in the Phoenix area increases to 20 percent Monday evening.