The westward shift of the Bermuda High is expected to create oppressive humidity across the Mid-Atlantic and Northeast, with dew points climbing into the 70s. This could lead to discomfort, as high humidity reduces the body's ability to cool itself, pushing heat index values higher than actual temperatures. Heavy downpours are also forecast, increasing the risk of localized flooding in some areas. While temperatures may not be record-breaking, the combination of heat and humidity could pose health risks, particularly for those spending extended periods outdoors. Residents are urged to stay hydrated and limit outdoor activities during peak heat hours.