A storm will track from the Missouri Valley to the mid-Atlantic through Thursday.
Hawaii will escape the worst, but not all of Guillermo's impacts as the tropical storm passes north of the islands Wednesday through Thursday.
A line of violent thunderstorms tore across Massachusetts, including the Boston area, Tuesday afternoon.
A developing storm system will track from the Missouri Valley to the mid-Atlantic through Thursday and produce rounds of showers and thunderstorms with locally heavy rain.
The Northeast will catch a break from heat and humidity for the remainder of the week.
Typhoon Soudelor in the western Pacific Ocean will remain a powerful tropical cyclone this week eventually threatening Taiwan and eastern China.
Two spectators were killed and at least another 32 people were injured Monday evening, as strong storms forced a circus tent to collapse in Lancaster, New Hampshire.
Public officials are in the process of eliminating Naegleria Fowleri, a brain-eating amoeba, from two drinking water supplies in Louisiana.
Lake Erie is once again turning green due to algal blooms that peak during high water temperatures.
Humidity and then heat will get swept out of the Philadelphia area during the remainder of this week.
Humidity and then warmth will get swept out of the New York City area during the remainder of this week.
Ice Harbor Dam, WA (1961)
Temperature of 118 degrees - hottest ever in Washington state.
Casper, WY (1980)
39 degrees, broke 1974 record for the date by 9 degrees.
Norfolk, NE (1989)
Early morning thunderstorm brought sustained winds of 60 mph with gusts to 92 mph.