Area Forecast Discussion
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
225 FXUS66 KSGX 200316 AFDSGX Area Forecast Discussion National Weather Service San Diego CA 816 PM PDT Sat Apr 19 2025 .SYNOPSIS... Dry and warmer through early next week with high temperatures near to around 5 degrees above normal inland by Monday. Gradual cooling follows Tuesday through Saturday. Areas of night and morning low clouds and fog continuing through next week, becoming more widespread towards the middle of the week as the marine layer deepens. Afternoon and evening winds will strengthen slightly across the mountains and deserts for the latter half of the week. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... Confidence remains low to moderate on any low cloud development this evening near the coast. Any areas that do see these clouds may see some patchy fog across elevated terrain. Otherwise, no forecast changes as continue to expect slight cooling and a deeper marine layer and sunshine each day through the week. Enjoy it out there! && .AVIATION... 200230Z....Coasts/Valleys...Mostly clear skies expected through tonight. Patchy low clouds may develop along the coast after 10z. There is a 30 to 60 percent chance of BKN-OVC cigs developing within 10 miles of the coast, and a 20 to 40 percent chance of a CIG at KSNA anytime between 12-15z. Where low clouds develop, bases will likely be 700-1000ft MSL. There is a 25 percent chance of patchy fog with visibility 1 mile or less developing along the coast. Any low clouds or fog that develops along the coast should clear by 16-18z, with VFR prevailing and breezy winds through the afternoon. Mountains/Deserts...Clear skies with no visibility restrictions through Sunday. && .MARINE... No hazardous marine conditions are expected through Thursday. && .SKYWARN... Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions. && .SGX WATCHES/WARNINGS/ADVISORIES... CA...None. PZ...None. && $$ UPDATE...APR PUBLIC...CSP AVIATION/MARINE...Zuber