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.
A tropical threat from the Atlantic on the United States and Caribbean islands may increase into next week.
United States residents may pay higher heating costs this fall as colder air is expected to grip the Rockies and Plains at times and some quick-hitting chilly shots may impact the Northeast.
Rescue efforts are underway in Hiroshima, Japan, after several landslides buried people and caused severe damage on Wednesday morning, local time.
Monsoonal moisture from the tropics slammed the Phoenix area and other parts of the Southwest with heavy rainfall, causing flooding in the region.
A long-lived and intense thunderstorm dumped hail that ended up being measured in feet in some parts of Mexico City Sunday afternoon and evening.
A zone of thundery rain with the risk of flooding and travel delays will occur into the weekend from the northern Plains to the central Appalachians and part of the mid-Atlantic.
Salt Lake City, UT (1986)
Heavy rain in the Wasatch Mountains causes urban flooding. At least two feet of water covered the eastern part of the city.
Cutbank, MT (1992)
Temperature drops from 87 degrees to 49 degrees in 8 hours.
Houston, TX (1999)
105 degrees, new record for date.