Temperatures are going to jump Thursday as a warm airmass makes it way over the region, according to forecasters. A high of 90 is anticipated that day, but forecasters said it will feel like 100 with humidity. The Lehigh Valley will be under a heat advisory from 10 a.m. to 8 p.m. Thursday.

The National Weather Service warns of a tropical moisture surge that could produce up to five inches of rain in some areas, creating a high risk of flash flooding for smaller streams and areas with poor drainage. Residents should be prepared for rapidly changing conditions, with thunderstorms possible throughout Monday and Tuesday.

Remember that if you encounter flood waters, be sure to turn around, don't drown. Never drive through a flooded roadway.

Several inches of rain fell Monday night in the Lehigh Valley, causing flooding and water rescues. Center Valley, where flooding was reported along Route 309, had a recorded 6 inches of rainfall, making it the highest rainfall total in the Lehigh Valley,

Parts of the Lehigh Valley saw torrential downpours Monday night, which led to flooding. Upper Saucon Township, Pennsylvania, was hit particularly hard. Mary Klingman has lived in Center Valley, a community within the township, for 25 years, and said she has never seen flooding to this degree.

UPPER SAUCON TOWNSHIP, Pa. - While flash floods closed roads and stranded drivers in Southern Lehigh County this week, some are still repairing the damage water caused to their homes. One woman is calling out drivers who plowed through her yard to avoid flooded roads. In 63 years, Peggy Jones has never seen something like this.

At 11:56 a.m. on Wednesday, the National Weather Service issued an updated flood watch valid from 3 p.m. until Thursday 3 a.m. for Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery,

Heavy rain caused flooding in Mary Klingman's neighborhood in Center Valley, Pennsylvania, Monday. She describes the cleanup process, which included locating a number of missing fish.