SAN DIEGO (KGTV/CNS) - A last round of rainfall will douse San Diego County Thursday, and it’s expected to be the heaviest amount of precipitation of the week.
10News Meteorologist Megan Parry’s forecast calls for most of the heavy rain falling in the North County through mid-morning. By about 11 a.m., the rain will make its way south and drench the San Diego region.
Drivers are being urged to use caution on the roads Thursday, with the downpour leading to a slower-than-usual evening commute.
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High winds in the mountains and high surf at local beaches will also be a part of this final storm of the week.
The final storm system is expected to leave the region by Thursday night and dry weather with warmer temperatures will prevail from Friday afternoon through next week, forecasters said.
As of 8 a.m., the wet weather over the past four days had brought the least rain to San Ysidro -- at 0.63 of an inch -- while Julian received the brunt of the storms -- with 2.41 inches of rain, according to the National Weather Service.
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Along the coast, Oceanside received 1.38 inches over the four-day span while Brown Field airport in Otay Mesa got 0.65 of an inch, Carlsbad received 0.91 of an inch and the San Diego International Airport was doused by 0.67 of an inch.
Across the inland valleys, Fallbrook -- at 1.83 inches -- got the most precipitation for the period, followed by Santee with 1.5 inches, while the highest total for the local deserts was 0.87 of an inch, in San Felipe, east of Julian.
Coastal areas could get up to four-tenths of an inch Thursday, while inland valley areas could see anywhere from three-tenths of an inch to three-quarters of an inch and the local deserts are expected to get around one-tenth of an inch, according to the NWS. Up to 1.25 inches is forecast for Palomar Mountain, Julian could receive up to nine-tenths of an inch of rain and around a half-inch is predicted for Alpine.
The NWS issued a wind advisory for the county mountains that is set to last through 7 a.m. Friday. A high-surf advisory will go into effect at 2 p.m. Thursday and last through 4 a.m. Saturday.
Snow levels will remain above 8,500 feet.
