By Geoff Bansen

PHILADELPHIA (CBS) — If you like hot weather, this week’s for you! Tuesday we will attempt to hit 90 for the first time this year. It is the latest first 90 degree day in a decade; it’s not unusual to have a rogue 90 degree day by Memorial Day. Keep in mind that not every location will have the mercury reaching that number, especially down by the shore, where it will still be very warm in the 80s. All locations will be under mainly blue skies, with hazy but strong sunshine. It will be a great day to find relief by the pool or beach, but still keep in mind to use caution (plenty of fluids, sunscreen, light clothing).

* An air quality alert is in effect Tuesday for Philadelphia, Delaware, Chester, Montgomery and Berks Counties in Pennsylvania, and all of New Jersey and Delaware *

For those that miss out on the action Tuesday, don’t fret; you will likely hit 90 on Wednesday as the steamy conditions continue. However, keep an eye to the sky late on Wednesday as we expect thunderstorms to pop-up, some of which could be severe. Highs Wednesday should fall just a few degrees short of the record of 96 from 1957.

Wednesday night and Thursday morning will feature scattered heavy rain and Thunderstorms, clearing by later Thursday and bringing a dry end to the week.

Today In Weather History:
2001 — Tropical storm Allison formed off the coast of Texas and moved inland on the 6th. The storm remained well organized and brought torrential rain and flooding from Texas, through the SE states and into the Mid-Atlantic region on its 10 day journey to the Atlantic Ocean. Allison regained tropical storm strength again E of Atlantic City. Rainfall amounts of more than 10″ were measured in the NW suburbs of Philadelphia.

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