A storm system might bring rain and snow to Southern California by the middle of the week as temperatures transition from last week's record highs to more fall-like conditions.
Click here to send us your weather photos
Rainfall totals of .10 to .50 inches are possible between Tuesday and Wednesday nights. Snow levels might drop to 7,000 feet.
"There is a threat of thunderstorms," said forecaster Elita Loresca. "That could mean some heavy rain, gusty winds and hail."
Temperatures will remain in the mid-70s in downtown Los Angeles and low-80s inland Monday before an eight- to 10-degree drop by mid-week. In mountain areas, temperatures will be in the high-60s Monday, but dip to the mid-40s by Thursday.
The significant drop in temperature readings comes seven days after a record-high of 99 degrees in Lancaster as October opened with a blast of summer-like heat. Temperatures in the high-70s are forecast for Monday in Lancaster.
A cooling trend is in place across much of the country this week. More than 70 record-low temperatures were set in the upper Midwest during the weekend. Frost and freeze advisories were in effect Monday for several states.
