National Weather Service United States Department of Commerce

Heavy Rainfall Along the Texas Gulf Coast; Monsoon Conditions in the Southwest and Great Basin

A tropical disturbance moving onshore of the Texas Gulf Coast will bring heavy rainfall and a threat of flash and urban flooding from the Corpus Christi to Houston vicinity Thursday. A flash flood threat will exist Thursday as monsoonal moisture increases over the Southwest into the eastern Great Basin. Strong thunderstorms may impact a areas from the central Plains into the Upper Midwest. Read More >

Slightly cooler weather is expected today, with highs mainly in the mid 70s to mid 80s. Although most of the area will be dry today, there is a slight chance of afternoon and evening thunderstorms over parts of southwestern South Dakota, the southern Black Hills and the adjacent parts of northeastern Wyoming. Temperatures will gradually warm through the holiday weekend, with daily chances for thunderstorms.