895 FXUS66 KSGX 271159 AFDSGX Area Forecast Discussion National Weather Service San Diego CA 359 AM PST Tue Jan 27 2026 .SYNOPSIS... High temperatures will gradually warm through Friday and Saturday to as much as 10 to 15 degrees above average for the valleys. Weak onshore flow will spread cooling into the coast and valleys for Sunday and Monday with not much change for the deserts. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... .SHORT TERM (Today through Thursday)... Gradual warming for today through Thursday will continue into Friday and Saturday. By Thursday, high temperatures will warm to as much as 8 to 12 degrees above average for portions of the valleys. High temperatures on Thursday will range from the lower 70s near the coast to the mid 70s to lower 80s for the valleys with the upper 70s to around 80 for the lower deserts. && .LONG TERM (Friday through Monday)... High temperatures will warm a few degrees on Friday with not much change for Saturday. With the warming, high temperatures on Friday and Saturday will be as much as 10 to 15 degrees above average for the valleys. High temperatures on Friday and Saturday will range from the lower to mid 70s near the coast to the upper upper 70s to mid 80s for the valleys with the lower deserts around 80. As high pressure aloft near the West Coast weakens and weak onshore flow returns, the coast and valleys will cool a few degrees per day for Sunday and Monday with not much change for the deserts. && .AVIATION... 271030Z...VFR conditions today through tonight. Increasing high clouds AOA 20000 feet MSL tonight. && .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. && $$ PUBLIC...17 AVIATION/MARINE...MM

