Sunshine, Warmth Continues into Monday in Philadelphia

By Brian Edwards, Meteorologist
November 12, 2012; 5:00 AM ET
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A large zone of high pressure will support dry and warm weather into early next week before a substantial cooldown begins on Tuesday.

After high temperatures on Saturday rose into the upper 50s, even warmer weather is on the way to wrap up the weekend. Highs on Sunday will rise into the middle 60s with a good deal of sunshine expected.

Temperatures will remain warm into Monday and could even make a run at the 70-degree mark in the afternoon.

This warm weather is being fueled by a large zone of high pressure anchored over the eastern part of the country.

The flow around this surface high is sending abundant warmth northward into the eastern third of the country.

However, don't get used to the above-normal temperatures as a change is on the way.

A cold front, currently fueling severe thunderstorms over parts of the Plains, will shift into the eastern part of the country.

This front will bring showers and thunderstorms to the Interstate 95 corridor beginning late Monday night and continuing through the day on Tuesday.

Cooler air will move in on the backside of this front as high pressure builds back in. Temperatures by Tuesday afternoon will end up in the 40s in many areas.

Highs on Wednesday, despite the return of sunshine, will fail to reach the 50-degree mark in many locales.

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