The first taste of fall weather and significant rainfall of the season are in store for the Southland this week.
Following record heat with triple-digit temperatures at the beginning of October, the wet weather is being accompanied by a noticeable cooldown.
Showers and thunderstorms are likely into tonight as a cold storm system tracks into the Los Angeles Basin.
Thunderstorms could even be locally strong with gusty winds, heavy downpours and hail. It is not out of the question that there could be a stray waterspout near the beaches or weak tornado over the land.
Meanwhile, temperatures will be cold enough to support snow in the highest elevations. Snow levels are likely to drop to near 7,000 feet. Cold, windy conditions and snow are possible at the top of the Palm Springs Tram.
An area of low pressure will bring a threat of heavy rain and flooding to parts of southern Europe through the middle of the week.
A cold front swinging into the Northeast will bring the threat of severe weather to part of the region on Tuesday afternoon.
The late-season swelter will continue along much of the Atlantic Seaboard through the week as tens of millions head back to school and work.
Tropical Storm Dolly has formed in the southwestern Gulf of Mexico's Bay of Campeche and will continue its northwest path into northeastern Mexico.
A second volcanic eruption occurred on Sunday morning in Iceland in the same area that had one on Friday.
While flooding is a threat, monsoonal rains will be beneficial for most areas across northwest India this week.
Mecca, CA (1950)
126 degrees - highest ever for U.S. in Sept.
East Coast (1775)
Matecumbe Key, FL (1935)
Labor Day Hurricane hit Florida. Pressure at Matecumbe Key dipped to 26.35"/892.3 mb. Most intense hurricane ever to hit the U.S. with 200-mph wind. Tide of 15 feet; 408 dead.