CORONA PARK, ALI BAUMAN, CBS NEWS NEW YORK. >> IF YOU'RE GOING TO GO SEE SOME TENNIS, IT WILL GET A LITTLE WARM. LET'S CHECK OUT OUR FIRST ALERT FORECAST. >>> THEY'LL BE WORKING A SWEAT UP OUT THERE. HOT TOMORROW, HOTTER STILL ON WEDNESDAY. HERE'S YOUR PICTURE RIGHT NOW, GUYS. COMING IN AT 70 DEGREES. THE RAIN HAS ENDED. WE'RE DRY THROUGHOUT THE AREA. A GREAT-LOOKING TUESDAY OUT THERE, BUT A YELLOW ALERT WITH A BETTER CHANCE FOR RAIN ON WEDNESDAY. LET'S TALK ABOUT THAT. IT'S NOT JUST THE SEVERE WEATHER CHANCE FOR WEDNESDAY. IT'S REALLY MORE ABOUT THIS, THE HEAT AND THE HUMIDITY COMBINATION FEELING LIKE 100 DEGREES OR MORE INLAND. THERE IS THE CHANCE FOR HEAVY DOWNPOURS. THAT'S PART OF THE SEVERE RISK, WHICH IS RUNNING AROUND A 20% CHANCE. IT'S NOT OVERWHELMING. IT'S RECORDED HERE IN THIS AREA SHADED IN YELLOW, SO IT'S A SLIGHT RISK. 20% CHANCE. THE GREEN SOUTH OF THE AREA AND AROUND RHODE ISLAND IS A 10% CHANCE. A LITTLE BIT LESS. BUT AT A 20% CHANCE, YOU GOTTA AT LEAST GIVE IT THE POSSIBILITY THAT A STRONG CELL COULD CRACK ON TOP OF YOUR AREA. THIS IS WHERE OUR CONFIDENCE IS SUPER HIGH. IT IS GOING TO BE HOT ON WEDNESDAY. AN EXCESSIVE HEAT WATCH HAS BEEN ISSUED FOR YOUR DAY ON WEDNESDAY. THE AREA SOUTH OF NEW YORK CITY OFF TO THE WEST OF NEW YORK CITY SHADED IN THIS BRICK RED COLOR COULD BE FEELING LIKE 100-105 DEGREES. IN NEW YORK CITY, IT WILL BE FEELING LIKE 99 ON WEDNESDAY. THERMOMETER WILL BE 92. WITH ALL THE HUMIDITY, IT FEELS LIKE 99. BIG-TIME SUMMER HEAT BACK IN PLACE. SO HOW IS IT ALL GOING TO PLAY OUT WITH THE COOLER AIR THAT WANTS TO COME TO TOWN? SIT TIGHT ON THAT BECAUSE UNTIL THEN, THIS HIGH PRESSURE SYSTEM CONTINUES TO PUMP IN MORE SOUTHERLY AND SOUTHERLY AIR. WE GET HOT OUT THERE. TUESDAY, YOU ARE DRY, AND THEN A LITTLE BIT OF THAT RAIN. MAYBE THERE'S A PRECEDING SHOWER, BUT IT'S A LOW CHANCE FOR TUESDAY. IT'S MORE LIKELY THIS WILL COME THROUGH EARLY WEDNESDAY MORNING. HERE WE ARE 3:30 IN THE MORNING. THE FRONT STILL BASICALLY OFF TO OUR WEST. I WANT YOU TO WATCH THIS. THE FRONT, WHICH HAS GOT SOME ENERGY TO IT, A LOT OF THIS DISSOLVES SO IT DOESN'T REALLY HOLD ITSELF TOGETHER. THAT'S WHY WE'RE SAYING HEY, IT'S A YELLOW ALERT, NOT A RED ALERT FOR WEDNESDAY. AND SOME RAIN, YES, BUT IT DOESN'T AMOUNT TO TOO, TOO MUCH OF ANYTHING. THE BIG CHANGE WILL TAKE PLACE ONCE THAT FRONT MOVES THROUGH. THIS HIGH STARTS DROPPING AND THAT HIGH PROVIDES A NORTHERLY WIND. THIS WILL BE IN PLACE FOR THURSDAY AND FRIDAY. THE AMOUNT OF RAIN YOU PICK UP? AS OF RIGHT NOW, THE SUGGESTION IS ABOUT A HALF AN INCH OVER THE NEXT SEVEN DAYS. HERE ARE YOUR NUMBERS. 87 TOMORROW. 92 WITH THAT YELLOW ALERT ON WEDNESDAY. HOT AND HUMID AND THERE IS A CHANCE FOR THAT ISOLATED STORM TO BE ON THE SEVERE SIDE. THURSDAY 77 AND FRIDAY 79. YOU GET TO SATURDAY, YOU'RE UP TO 82. SATURDAY HAS A STORM CHANCE RIGHT NOW. WE'LL WATCH THAT ONE, BUT SUNDAY AND MONDAY LOOK TO BE THE TWO BETTER DAYS OF A LONG WEEKEND, SO ENJOY THAT, AND HAVE A HAPPY HOLIDAY. >> A LITTLE EARLY, BUT YES WE WILL. I'M GOING TO TOMORROW. SEE >> I