Philadelphia Weather: Frost Alerts Overnight

Kate Bilo has the latest forecast.

ACCORDING TO UNITED 85% OF ITSFLIGHTS ARE LESS THAN HALF FULL.IT'S A CHILLY NIGHT AND THISCOOL WEATHER IS GOING TO STAYWITH US FOR AT LEAST ANOTHERDAY.METEOROLOGIST KATE BILO JOINS USLIVE WITH THE FULL FORECAST BUTTHERE'S GOOD NEWS.I WORE THE FLOWERS TODAY,JESSICA BECAUSE I'M FEELINGSPRING, I'M FEELING WARMTH.IT'S COMING.JUST NOT UNTIL THE END OF THE7-DAY FORECAST.AT LEAST WE HAVE SOMETHING TOLOOK FORWARD TO.LIGHT AT THE END OF THE TUNNEL,PER SE.WE'VE HAD A CHILLY STRETCH HEREBUT NOW WE'RE HEADING TOWARDSMILDER, SUMMER WEATHER.A TASTE OF SUMMER BY THE WEEKENDAND BOY DO WE DESERVE IT.IT'S CHILLY OUT THERE HERE'S ALIVE LOOK AT CENTER CITY.SKIES CLEARED AFTER STORMSROLLED THROUGH EARLIER TODAY.CLEAR CONDITIONS MEANSTEMPERATURES DROPPING.WE'VE DROPPED INTO THE CITIESALREADY.48 IN READING.IT'S IN THE 30s.IN MOUNT POCONO AND THAT SPOOTIS UNDER A FREEZE WARNING IN THEPOCONOS IT WILL LIKELY DROPBELOW THE FREEZING MARK THATCOULD MEAN A HARD FREEZE SO ANYSENSITIVE PLANTS AND CROPSSHOULD BE PROTECTED HERETONIGHT.A FROST ADVISORY WHERE YOU SEETHE BLUE.SO NOT REALLY PHILADELPHIA ANDEXTREME NEARBY SUBURBS BUT ASYOU HEAD INTO UPPER BUCKS,MONTGOMERY COUNTY, CHESTERCOUNTY THE LEHIGH VALLEY, AND INSOUTH JERSEY, ATLANTIC COUNTY,AND CUMBERLAND COUNTY,ESPECIALLY THE MORE RURAL AREASTHAT'S WHERE WE COULD SEETEMPERATURES DROP LOW ENOUGH FORFROST TO FORM.THE SYSTEM THAT BROUGHT SHOWERSIN THE REGION TODAY IS PULLINGOUT OF HERE BUT CHILLY AIR ONCEAGAIN BEING BROUGHT IN ON THEBACK EDGE OF THAT SYSTEM.TONIGHT IS DOWN RIGHT COLD FORTHE TIME OF YEAR.39 DEGREES, BREEZY AND CHILLYWINDS GUST TO 25 MILES PER HOUR.TOMORROW IT IS WELL BELOWAVERAGE AGAIN BY MORE THAN 10DEGREES.IT'S A FULL DAY OF SUN BUT LOOKAT THAT WIND.THAT WILL MAKE 59 FEEL COLDERTHAN 59.AND THE LAST SIX DAYS UPS ANDDOWNS HERE BUT THE CONSTANT ISTHEY'RE ALL BELOW AVERAGE.LOOK AT THAT AVERAGE HIGH, 72NOW.SATURDAY WE DIDN'T MAKE IT OUTOF THE 40s.SO WE ARE DUE FOR A WARM-UP ANDTHAT'S EXACTLY WHAT WE'RE GOINGTO GET.WE'RE GOING TO KICK THE COLD AIROUT OF HERE.TEMPERATURES RISE, LOOK AT THEJET STREAM LIFTING NORTH ALLTHAT WARM AIR SURGING IN ANDWE'RE LOOKING AT OUR FIRST 80 OFTHE YEAR.THE FORECAST HIGH FOR FRIDAY IS81.THE LATEST FIRST 80 ON RECORDSINCE THE 1800S IN PHILADELPHIAWAS MAY 20TH.IT LOOKS LIKE WE'RE GOING TOSLIDE RIGHT IN ON MAY 15THPERHAPS, OR MAYBE MAY 16TH ONSATURDAY.WE'LL HAVE TO SEE HOW WARM ITGETS BUT IT LOOKS LIKE WE WILLMAKE IT AND NOT SET THE RECORDFOR THE LATEST 80.COOL AND BREEZY TOMORROW, 63DEGREES ON WEDNESDAY.A NICE DAY, THURSDAY ISSEASONABLE WITH SOME SUN AND ATASTE OF SUMMER WITH FRIDAY ANDTHE WEEKEND WITH A CHANCE FORSCATTERED SHOWERS OR THUNDERSHOWERS.IT'S GOING TO FEEL NICE TOOUTSIDE WITH SHORT SLEEVES.I THINK A LOT OF PEOPLE AREGOING TO BE LOOKING FORWARD TOTHIS.