Heat Advisories are also in effect along the I-95 corridor from Philadelphia to Connecticut, while Excessive Heat Warnings are posted for the desert Southwest.
Scattered, severe storms will move from the High Plains into the Northern Plains and eventually portions of the Midwest.
Large hail, damaging winds, heavy rainfall and isolated tornadoes will be possible.
One disturbance in the Caribbean will have the chance to form into a tropical depression or storm as it moves near the Yucatán Peninsula this weekend, then into the western Gulf on Sunda or Monday. Texas and Louisiana will have to monitor this one.
Another disturbance southeast of Bermuda will likely develop, but remain east of Bermuda in open ocean.