Philadelphia Weather: Warm And Muggy Weekend

Kate Bilo has the latest forecast.

GRADUATION AND COLLEGEPLACEMENT.THEY RECEIVED $1 MILLION UNTILCOLLEGE SCHOLARSHIP OFFERS.CONGRATULATIONS.A TALE OF TWO WEATHERSTORIES, RAIN IN THE MORNING ANDSUNSHINE IN THE AFTERNOON.LOOKS LIKE A REPEAT FORTOMORROW.METEOROLOGIST KATE BILO WITH THEFORECAST.HI KATE.HI JESSICA.MIGHT BE KIND OF OPPOSITETOMORROW UPSIDE DOWN WHERE WESTART WITH SUNSHINE AND FINISHWITH SHOWERS AND THUNDERSTORMSBUT THIS WILL BE A PATTERN THATCONTINUES THROUGH THE WEEKENDAND INTO NEXT WEEK.WE HAVE A BIG AREA OF LOWPRESSURE IN THE UPPER ATMOSPHEREAND THAT IS DRIVING OUR WEATHERPATTERN THIS WEEK.LET'S GET RIGHT INTO WHAT'SGOING ON OUTSIDE RIGHT NOW.IT IS IT'S BEEN A QUIET EVENINGAFTER A RAINY START TO THE DAY,RIGHT NOW CLOUDS, PATCHY FOGWILL TRY TO STORM AND STILL VERYWARM AND STEAMY OUTSIDE.IT'S 70 IN PHILADELPHIA, 68 INWILMINGTON, 67 IN ATLANTIC CITYAND IT'S A WARM 73 IN ALLENTOWN.AND DEW POINTS ARE RISING ASWELL.EVENTUALLY WE'RE GOING TO SEETHOSE TEMPERATURES DROP PRETTYCLOSE TO THE DOW POINT HEREOVERNIGHT.THAT MEANS SOME FOG WILL FORMAND LIKELY THE GRASS WILL BE WETWHEN YOU HEAD OUTSIDE TOMORROWMORNING.STORM SCAN 3 SHOWS JUST A COUPLEOF SCATTERED SHOWERS TRYING TOPOP UP THIS EVENING.MOST OF THEM MOVED OUT THISBUT A FEW STRAY ONES HERE ANDTHERE AROUND THIS AFTERNOON ANDEVENING.THOSE ARE ALL BUT FIZZLING NOW.BUT AS WE HEAD INTO TOMORROW,THIS PATTERN IS GOING TO RESUME.FOR TONIGHT 66 DEGREES WITHMAINLY OVERCAST.IT IS STILL MUGGY.AN ISOLATED SHOWER AND REMEMBERTHE DEW POINTS ARE IN THE MID60s SO THE AIR WILL BE FULLYSATURATED TONIGHT AND TOMORROWTOMORROW IS A WARM AND STEAMYDAY WITH A HIGH OF 83 AND A FEWSCATTERED SHOWERS AND STORMS.SO WHAT'S HAPPENING IS WE HAVELOW PRESSURE IN THE UPPERATMOSPHERE, BAKE LIKE A PUDDLEOF COLD AIR IN THE UPPERATMOSPHERE.WHEN YOU GET ANY SUNSHINE LIKETOMORROW, THAT HEATS THE GROUND,THOSE PARCELS OF WARM AIR RISEBECAUSE WARM AIR RISES AND RUNSINTO THE COOLER AIR THAT CAUSESCLOUD AND SHOWER FORMATION.WE'RE NOT TALKING ABOUT A COLDFRONT OR A STORM SYSTEM, JUSTTHIS UPPER LOW CENTERED OVER OURREGION THAT KEEPS THINGSUNSETTLED.TOMORROW EVENING 5:45 SCATTEREDSHOWERS MAYBE A THUNDER SHOWERNOT A WASHOUT BUT A FEW COULD BELOCALLY HEAVY AFTER THE SUN GOESDOWN AND WE LOSE THE HEATING OFTHE DAY THE SHOWERS AND STORMSWILL FIZZLE OUT AS WELL AND THEPERSON MOVES INTO THE NEXT DAY.WAKE UP SATURDAY, SEE A LITTLEBIT OF SUNSHINE, ANY SUN CLOUDSIN FORMATION, AND IT LOOKED LIKETHEY MAY BE MORE WIDESPREADSATURDAY AFTERNOON AND EVENINGAND THE PATTERN RESUMES ONSUNDAY.60-80% CHANCE OF PRECIPITATIONEVERY DAY FROM FRIDAY ALL THEWEIGH THROUGH MONDAY, ANDTEMPERATURES ON THE RISE ASSO FOR FATHER'S DAY WEEKEND,BECAUSE OF THE CLOUDS AND THESCATTERED SHOWERS AND STORMS,IT'S NOT GOING TO BE AS HOTSEASONABLE MID 80s BUT THEREWILL BE THUNDERSTORMS AROUND ANDIT WILL BE VERY HUMID.AT THE BEACH IF YOU'RE DOWN THESHORE FOR THE WEEKEND LOOKING ATTEMPERATURES AROUND 80.YOU WILL A GET SOME TIME ON THESAND WHICH MANY FOLKS DIDN'T GETTHIS WEEK WITH THE CHILLY EASTWIND THAT WAS AROUND.HOWEVER, YOU'VE GOT TO A EYE ONTHE SKY, EVEN IF YOU HEARTHUNDER IN THE DISTANCE, YOUSHOULD GET OFF THE BEACH ANDFIND SOME COVER BECAUSE IF YOUHEAR THUNDER YOU COULD BE STRUCKBY LIGHTNING.YOUR EYEWITNESS WEATHERSEVEN-DAY FORECAST AFTER MID 80sON THE WEEKEND BACK TO THE 90sWE GO AND THE DEFINITION WE USEAROUND HERE FOR A HEAT WAVE,THREE DAYS IN THE 90S, NOT SUREI AGREE WITH THAT DEFINITION,BUT THAT'S WHERE IT IS AND WHERE