National Weather Service United States Department of Commerce

Severe Weather Wednesday; Tropical Storm Cristobal; Dangerous Heat Over the Southwest

Clusters of strong to severe thunderstorms are possible Wednesday from parts of the northern and central Plains east into the northern Mid Atlantic. Tropical Storm Cristobal will meander over the Bay of Campeche before lifting north across the Gulf of Mexico on Friday. Excessive heat is forecast Wednesday and Thursday over the Desert Southwest including Phoenix and Las Vegas. Read More >