By Llarisa Abreu

PHILADELPHIA (CBS) – Hazy skies will once again dominate Wednesday before a front clears up the haze later this evening.

Due to smoke from wildfires out west, and Air Quality Alert: Code Orange has been issued for Southeastern Pennsylvania, all of Delaware, Burlington and Camden Counties.

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A frontal boundary will generate scattered thunderstorms. Thunderstorms look to develop before lunch and wrap by 7 p.m.

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The main threat will be gusty winds. Some rain could be locally heavy but torrential style rain is not expected.

Once the front clears this evening, a much more comfortable air mass will move in on northwest winds.

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Thursday and Friday will look and feel awesome with sunny skies and a typically low late July humidity. We’ll notice an uptick in humidity Saturday and rain chances return on Sunday.