It may be September, but don’t bring out autumn sweaters and extra blankets just yet.
The heat index will make it feel like 100 degrees Fahrenheit today, the National Weather Service in Mount Holly, New Jersey said.
An excessive heat warning has been posted from noon until 8 p.m. for the region. Rounds of scattered strong, severe thunderstorms are expected later in the day and into the evening.
Areas affected include all southeastern Pennsylvania, including Lower Bucks County. The Mid-Atlantic is under the heat advisory because an upper-level ridge — or “heat dome” — which is parked over the eastern U.S.
Expect temps to hit the mid-90s or higher, though you may
feel a bit stickier.
That’s because the heat index isn’t the number on your thermometer. It’s how today’s blast of hot, moist late summer air feels like on your skin. Humid air keeps moisture from evaporating and cooling your skin, making it seem like it’s hotter than it really is.
The NWS advises staying hydrated, staying in an air-conditioned room, out of the sun, and checking on relatives and neighbors.
It's expected stay sticky for the rest of the week, but we may get a break on Saturday, when it will be cooler as Canadian air drops down from the north, with night temps expected to drop to 68 degrees.
Sunday, Sept. 6 looks good, with mostly sunny, pleasant and dry air with the mercury topping out at 78-81 degrees.
JD Mullane can be reached at jmullane@usatodayco.com.
This article originally appeared on Bucks County Courier Times: Excessive heat warning issued for Bucks County. How hot will it get?
