Showers jam Tuesday morning commute

SAN DIEGO -- Light rain but steady rain may have contributed to several accidents that slowed the Tuesday morning commute to a crawl on many San Diego County freeways.

South Bay commuters crawled north on Interstate 805 from the South Bay to the merge with Interstate 5 in Carmel Valley. Northbound I-5 was not much better.

Real-time Traffic Map

East County commuters crawled from El Cajon west to I-5 due to backups on the transistions to Interstate 15, I-805 and state Route 163.

LIght rain and gusty winds were expected to continue in portions of San Diego County throughout the day but should start tapering off Tuesday evening.

In a 48-hour period ending at 7 a.m., the low pressure trough had dropped 2.66 inches of rain in Birch Hill; 2.01 in Pine Hills; 1.92 in Mesa Grande; 1.71 on Volcan Mountain; 1.63 in Descanso; 1.56 at Lake Cuyamaca; 1.53 in Julian; 1.30 on Mount Woodson; 1.18 at Lake Wohlford; 1.05 in Santa Ysabel; and 1.01 on Palomar Mountain, according to the National Weather Service.

FOX 5 Interactive Radar

Other precipitation totals included 0.98 of an inch in Alpine; .86 in Oceanside; .75 in Bonsall; .71 in Rainbow; .66 at Camp Pendleton and in Vista; .65 in De Luz; .65 in Fallbrook; .59 in Valley Center; .58 in Campo; .57 in Ramona; .55 in San Marcos; .47 in Carlsbad; .44 in Escondido; .28 in La Mesa; .26 in Poway and Santee; .20 on Mount Laguna; .19 in Lakeside; .15 in Del Mar; .14 at Lindbergh Field; .06 in El Cajon; .04 in San Felipe and San Ysidro; and .02 in Lemon Grove.

Expected to accumulate throughout the day are a hundredth to two-tenths of an inch at the beaches, about a tenth of an inch in the southern part of the county, up to a quarter of an inch in the valleys, and a quarter to three- quarters of an inch in the mountains, according to the NWS.

Forecasters said the precipitation would ease up and become more sparse Tuesday evening. The showers are expected to dissipate altogether overnight.

Strong winds may lead to difficult driving conditions through Tuesday evening.

A wind advisory remains in effect until 10 p.m. for the mountains and deserts. Wind gusts of 35 to 50 miles per hour are expected in most of the affected areas, but gusts could reach 50 to 60 mph over mountain ridges and along desert slopes.

Building high pressure is expected to usher in drier and warmer weather Wednesday and Thursday, but another storm may deliver another round of gusty winds and rain Friday into the weekend. The upcoming storm is poised to drop a tenth to a quarter inch of rain, according to the weather service.