Phoenix weather: Heat wave continues

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By Catherine Holland By Catherine Holland

PHOENIX -- This week is turning out to be one of the hottest of the summer, with afternoon temperatures making a run at records over the next couple of days. 

Valley lows struggled to drop into the 80s Tuesday morning, and by the afternoon, temperatures should rise toward 112 degrees, which is also the record for today's date. 

It should be a degree or two warmer Wednesday, and overnight lows will again hover near 90 degrees. 

Storms should be limited to the higher elevations today and tomorrow, but storm chances increase for the Valley on Thursday and Friday. 

An Excessive Heat Warning is in effect for much of Maricopa County, including the Valley metro area, and parts of Pinal County through Wednesday at 8 p.m.

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There is also a High Pollution Advisory for Ozone today for the Valley.  Ozone levels are expected to be unhealthy for breathing today, and people with respiratory problems are encouraged to limit their time outside this afternoon.  Everyone is encouraged to carpool and refuel after dark.  It is also a No Burn Day in Maricopa County. 

Read: Ozone season officially under way; invisible danger in the air