Monsoon 2013

Aug 29, 2012 12:04 PM by Jeff Beamish

66th triple digit day of 2012 on tap for Tucson

TUCSON - In the battle between Monsoon moisture and desert dry air, its the dry air winning the forecast today.

High pressure over western Kansas keeps drying out most of southern Arizona, according to News 4 Meteorologist Jeff Beamish. Under mostly sunny skies this afternoon, Tucson tops out at 100 degrees. This would mark the 66th triple digit day of 2012 for the Old Pueblo, which is above average.

A slight chance of isolated storms exists in western Pima County today, but no severe weather is expected. Our Monsoon Predicition Index reflects as much, sitting at one out of 10 this afternoon.

Monsoon moisture slowly returns to southern Arizona by late week, as a trough sets up shop over the West Coast. Expect a chance of isolated storms starting Friday and lasting through early next week. Saturday through Labor Day looks to see the best chance of thunder.

For a complete look at Jeff's True View 4 extended forecast, visit KVOA.com/weather. Click here to follow Hurricane Isaac with the NBC News hurricane tracker map.

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