Toasty temperatures take a tumble across the Valley

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by Kim Quintero

Bio | Email | Follow: @kimquintero

azfamily.com

Posted on May 25, 2013 at 5:45 PM

Updated Monday, May 27 at 8:15 AM

PHOENIX -- Temperatures flirting near 100 degrees will be a thing of the past moving into day two of the Memorial holiday weekend.

A trough of low pressure near British Columbia is slowly eroding the ridge of high pressure that has dominated our weather pattern for the past few days. As it does, daytime high temperatures for Sunday will hit only the mid and upper 90s across the Valley. We’re forecasting a high of 97 for Phoenix Sunday afternoon.

The ‘cool down’ continues into Monday. Morning low temperatures in the Valley will range from the upper 60s to low 70s while Phoenix’s daytime high is expected to reach 96. Cloud cover is also expected to increase.

The trough will eventually push in an area of low pressure and its associated cold front into our neck of the woods starting Tuesday and continuing through Wednesday. As it does, daytime high temperatures across the Valley these days should top out in the upper 80s and low 90s. Meanwhile, expect more clouds and gusty winds. We may even have periods of blowing dust.

In northern Arizona, there may be enough instability in the atmosphere during the afternoon hours to produce a few isolated showers and thunderstorms before this system moves out by Thursday.

Temperatures will rebound back into the upper 90s and low 100s by Friday and into next Saturday.

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