National Weather Service

(NATIONAL) Dangerous, long-lasting extreme heat expected across the Southeast, severe weather and flash flooding possible for portions of the Upper Midwest and...

(NATIONAL) Widespread thunderstorms across the Northern Plains, Midwest, Ohio Valley, and Southeast, severe storms likely across the Northeast, scattered thunderstorms in the Southwest...

(NATIONAL) Heavy rain and a flash flooding threat over the Mid-Atlantic and Upper Midwest, heat remains over much of the eastern and western U.S. and an increasing heavy rainfall and...

(NATIONAL) Slow-moving thunderstorms will lead to the additional threat of localized flash flooding over saturated grounds in central Texas, the center of Tropical Storm Chantal makes...

(NATIONAL) A Slight Risk of excessive rainfall over parts of the Central Plains and Middle Mississippi Valley, a Slight Risk of severe thunderstorms over parts of the Upper Great Lakes to...

(NATIONAL) A flash flood threat remains over parts of the Mid-Atlantic, the Central and Southern Plains into Missouri and Arkansas and the Corn Belt, severe thunderstorms remain possible...

(NATIONAL) A moderate risk of severe thunderstorms Sunday evening across much of northern Texas and adjacent southern Oklahoma and a slight risk of severe thunderstorms Sunday evening...

(NATIONAL) A warming trend for the East, much cooler temperatures from the Rockies into the Northern and Central Plains, heavy rains possible across the Southwest and Florida, and...

(NATIONAL) Thunderstorms and locally heavy rain over the southern Plains into the Mid-South, cool temperatures persist for the central Plains to the Northeast, and warm/hot temperatures...