Extreme Heat and Severe Thunderstorms Today Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest Flash flooding threatens areas from the

Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near

Tropical Storm Bertha in the Gulf; Severe Weather in the East on Tuesday Tropical Storm Bertha could bring tropical storm conditions to portions of the

Flooding Threat Continues in Portions of Texas; Poor Air Quality in the Great Lakes through the Mid-Atlantic Widespread life-threatening flash and urban flooding continues in

Extreme Heat and Excessive Rainfall This Week A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats Record setting heat is expected over the next several days

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains A slow moving front will bring rounds of strong

Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota