A unsafe combination of heat and humidity will be in the region Fridayafternoon and continue at least through early Sundayevening.
Locally higher amounts will be possible, especially for any areas that get underneath the heavier thunderstorms a couple days in a row.
To the east, a heat advisory has also been issued on Monday for Berks, Lehigh, Northampton-Delaware, Philadelphia, Chester, Montgomery, Bucks, Tioga, Sullivan, Susquehanna, Wayne, Wyoming, Lackawanna, Luzerne and Pike counties.
For this Father's Day evening, temperatures will gradually fall through the 80s, and we'll keep a chance for a few spotty showers, about a 20% rain chance.
As mentioned, Father's Day will begin the big warm up. The middle of the work week held relief from the heat and humidity with temperatures in the 80s. Yes, it's pretty uncomfortable, but not as hot and humid as tomorrow will be.
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Highs this afternoon will reach the mid to upper 90s.
Our weather pattern will remain active heading into the upcoming week, with the chance of showers each and every day through Saturday.
Beginning Monday, hot and humid conditions will result in it feeling like between 95 degrees and 100 degrees Fahrenheit, according to the weather service. This may cause a slight chance of a shower or storm.
This stretch of heat shows little relief at night, especially in numerous urban areas, such as Chicago and NY. As daytime heating kicks in again, storms will become likely by midday and last through the mid part of the afternoon. Some could be strong to severe.
Forecasters said Sunday's outlook varies just a bit - sunny skies with a high in the mid-90s.