CORPUS CHRISTI, Texas — A large dome of Canadian high pressure lingers over the eastern half of the U.S. this afternoon, and its northeasterly breezes are keeping the Coastal Bend fair and dry.
The system will move east later in the week, however, and humidity returns for Thursday through the weekend. Isolated to scattered showers are expected Sunday and Monday, with scattered thunderstorms on Tuesday.
High pressure in the upper atmosphere prevails over the southern U.S., so there is no energy available to push colder air into South Texas. By Sunday, another disturbance glides through the State and brings a cold front with isolated showers.
A stronger system will enter the region on Tuesday, along with associated scattered thunderstorms. Expect highs in the 80s, cooling to the 70s Monday and Tuesday. Lows will remain in the upper 50s to middle 60s.