Hotter-than-normal weather has prevailed for the past few days. The heat peaked in the Los Angeles area Wednesday with widespread 90-degree temperatures, around 15 degrees above normal.
The offshore flow creating this heat will turn around quickly to onshore Thursday, then become increasingly strong through the weekend.
High temperatures Thursday will drop a 10 degrees from Wednesday's highs.
The coolest weather will be over the weekend, however. Morning marine clouds will extend far inland each morning before clearing to sunshine.
High temperatures will drop below normal with low to mid-70s for coastal cities and middle to upper 70s in the valleys.
Following thunderstorms, cooler settles into the Midwest and Northeast through Midweek.
One person is dead, and another remains critically injured after a lightning strike in Southern California.
Relief is on the way for portions of the Plains that are in the grips of the ongoing drought.
Severe storms brought damaging winds, hail, flooding downpours and possibly tornadoes across the Ohio Valley and mid-Atlantic Sunday and early Monday.
Heavy rain will aim for eastern France, southern Germany and northern Italy early this week.
A wildfire that has already destroyed at least 17 structures is threatening more than 500 more in the Sierra Nevada foothills near Plymouth, California, state fire officials said Sunday.
5-12" of rain north of Denver led to serious flash flooding (28th-29th). 108 mobile homes were destroyed and 481 others were damaged in Ft. Collins. 5 people were killed and 40 others injured.
Sharon, PA (1999)
70 mph wind gus in a thunderstorm.
Small but intense storm, said to be the worst in about 50 years, hit southern Mississippi (where Camille hit in 1969). U.S. Coast Guard cutter lost with 39 aboard.