textproduct: San Diego
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
SYNOPSIS
High temperatures as much as 10 to 15 degrees below average for the mountains and Inland Empire on Sunday will gradually warm for the next week, but remain below average through the July 4th holiday weekend. The marine layer will deepen tonight with patchy drizzle possible late tonight. The marine will then gradually decrease in depth, but with night and morning coastal low clouds still extending into the western valleys late each night for next weekend.
SHORT TERM (Today through Wednesday)
Sunday was the coolest day in this current cooler pattern. Anaheim and San Jacinto both set new records for the date for the coolest high temperature while Ramona tied the existing record.
A low pressure system moving into northern California early today will move through southern California tonight with low pressure then beginning to weaken across the area for much of the week.
High temperatures for today will warm slightly at the coast and around 5 degrees for inland areas with not much change on Tuesday. High temperatures on Wednesday will warm a few degrees to around 5 degrees in the mountains.
High temperatures on Sunday were as much as 15 to 20 degrees below average for the mountains and Inland Empire. Even with the warming for today through Wednesday, it will still be around 5 degrees below average near the coast and in the lower deserts on Wednesday with the mountains and Inland Empire still 10 to 15 degrees below average.
That low pressure system from the north moving through the area tonight will deepen the marine layer with patchy drizzle possible late tonight. Southwest to west winds for the mountains and deserts during the afternoon and evening will slowly decrease this week.
LONG TERM (Thursday through Sunday)
The trough of low pressure across the area will gradually weaken on Thursday and Friday. For Saturday and Sunday, high pressure to the south may begin to expand northward into southern California. High temperatures as much as 5 to 10 degrees below average for the mountains and inland valleys on Thursday will gradually warm through Sunday, but remain below average.
High temperatures on Thursday will range from around 70 near the coast to the 80s for the Inland Empire with 100 to 104 for the lower deserts. On Sunday, high temperatures will range from the lower 70s near the coast to the mid 80s to lower 90s for the Inland Empire with 104 to 108 for the lower deserts.
Mountains/Deserts
Elevated west winds have become localized to a few desert slopes (to 35 kts) and through the Banning Pass (to 50 kts). MOD up/downdrafts in lee of mountains and pockets of BLDU. Winds re-strengthen Monday after 22Z, with gusts 20-40 kts through desert slopes and up to 55 kts through the Banning Pass through Monday night.
MARINE
No hazardous marine conditions are expected through Saturday.
SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.
SGX WATCHES/WARNINGS/ADVISORIES
CA...None. PZ...None.
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