National Weather Service United States Department of Commerce

Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Isolated afternoon thunderstorms will be confined to mainly mountain locations today. Erratic gusty outflow winds will be possible in and near thunderstorms. Thunderstorm chances will increase through mid week with better chances for wetting rains. #cowx
With easterly low level winds expected across the plains today, the heaviest smokiest conditions will be across the mountains and valleys. However, erratic outflow winds from thunderstorms could change these predictions, depending on wind directions. Stay indoors if you are sensitive to smoke. #cowx