Southern California residents are bracing for another round of wet and wintry weather, with a new storm system poised to bring rain, snow, and potential flooding to the region. The storm, arriving on the heels of a system that moved through earlier this week, is expected to intensify overnight and into Wednesday morning, impacting commutes and potentially boosting tourism in mountain communities.
The National Weather Service has issued multiple alerts, including a Flood Watch for Ventura and Los Angeles counties, as well as the Malibu coast, effective through late Tuesday. Forecasters warn that heavy showers and thunderstorms could lead to flash flooding in these areas. A Winter Storm Warning is also in effect for the San Bernardino County mountains, including Big Bear Lake, Wrightwood, and Lake Arrowhead, lasting through 10 p.m. Thursday. This latest stormy winter weather adds to a pattern of unsettled conditions across the region.
Timing and Intensity
According to NBC Los Angeles meteorologist Belen De Leon, on-and-off showers are expected throughout Tuesday, with the chance of rain increasing as evening approaches. The most significant impacts from the storm are anticipated overnight and into Wednesday morning. Peak rainfall times are predicted as follows: Ventura County, 10 p.m. To 2 a.m.. Los Angeles County, 11 p.m. To 2 a.m.; Orange County, 1 a.m. To 3 a.m.; and the Inland Empire, 1 a.m. To 4 a.m.
Rainfall totals are expected to range from 0.25 to 1 inch in coastal and valley areas, while the mountains could spot up to 2 inches. The storm will also bring significantly colder air, lowering snow levels to between 3,500 and 4,000 feet through Wednesday morning.
Mountain Impacts and Travel Concerns
The lower snow levels are a boon for mountain tourism, particularly in communities like Big Bear, which recently received its first snowfall of the season on Monday, February 16. Businesses in these areas have been anticipating the snow, as fresh powder is a key driver of the local economy. However, the snowy conditions also present travel hazards, especially on mountain passes like the Grapevine. Motorists traveling to the mountains are advised to ensure they have chains on their tires.
Snowfall Forecast Through Thursday
Heavy snow is expected to continue in the mountains through Thursday, with varying accumulation rates depending on elevation. De Leon forecasts the following snowfall totals:
- 1–4 inches from 3,500 to 4,500 feet, including Interstate 5 over the Grapevine
- 6–12 inches from 5,000 to 6,000 feet
- 12–18 inches above 6,000 feet
Some of the highest elevations may receive up to 2 feet of additional snow.
Looking Ahead: More Rain and a Weekend Warm-Up
While the current storm is expected to wrap up by Wednesday’s morning commute, the possibility of flooding and slippery roads will remain. Another round of early morning rain is forecast for Thursday, accompanied by colder temperatures with a high of 57 degrees and more afternoon showers. However, the region is expected to dry out by Friday, leading to partly cloudy conditions and warmer temperatures. NBCLA Meteorologist Melissa Magee predicts a dry weekend with a warming trend. Despite the respite, De Leon indicates that another storm system may be on the horizon next week.
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Residents are encouraged to stay informed about the latest weather updates and heed any warnings issued by local authorities. The combination of rain, snow, and potential flooding requires vigilance and preparedness throughout Southern California.
The next official update on the approaching storm is expected from the National Weather Service on Wednesday afternoon. Stay tuned to time.news for continuing coverage.
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