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 for inland areas of around 4 to 8 degrees above average through Friday will cool slightly to a few to around 5 degrees above average for early next week. Greater monsoonal moisture on Thursday and Friday and again around Monday of next week will bring a chance of afternoon showers and thunderstorms for the mountains and deserts. Night and morning low clouds will continue for the coastal waters into coastal areas.
SHORT TERM (Today through Friday)
For the coast and valleys, high temperatures will warm a few degrees today and cool a few degrees on Thursday with not much change on Friday. For the mountains and deserts, there will be slight day to day differences through Friday.
High temperatures for today will be a few degrees above average near the coast to 4 to 8 degrees above average for the mountains, deserts, and inland valleys. High temperatures for today will range from the mid 70s to lower 80s near the coast to the mid 90s to 105 for the Inland Empire with 108 to 112 for the lower deserts.
Precipitable water values will increase for Thursday and Friday with a slight chance of afternoon showers and thunderstorms for the mountains and deserts. Night and morning low clouds will continue for the coastal waters into coastal areas.
LONG TERM (Saturday through Tuesday)
High temperatures will be slightly cooler by early next week with high temperatures for Monday and Tuesday a few degrees above average for the deserts and around 5 degrees above average for the coast and valleys. High temperatures for Monday and Tuesday will range from the mid 70s to lower 80s near the coast to the mid 90s to 103 for the Inland Empire with 106 to 110 for the lower deserts.
There will be drying of monsoonal moisture for the weekend with another brief increase possible around Monday of next week. Chances for afternoon showers and thunderstorms for the mountains and deserts will decrease for the weekend, then may increase again around Monday of next week.
AVIATION
191845Z....Coast...Low clouds with bases near 700-1200 ft MSL will be patchier this tonight. Some clouds will move inland after 06Z Thu. with a more uniform cloud coverage pattern in San Diego county after 10Z. Cigs scattering after 14Z Thu.
Otherwise...mostly clear today and tonight.
MARINE
No hazardous marine conditions are expected through Sunday.
SKYWARN
Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions.
SGX WATCHES/WARNINGS/ADVISORIES
CA...Heat Advisory until 8 PM PDT Thursday for San Bernardino and Riverside County Valleys-The Inland Empire.
Extreme Heat Warning until 8 PM PDT Friday for Coachella Valley- San Diego County Deserts-San Gorgonio Pass near Banning.
PZ...None.
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