Santa Ana winds have developed and are gusting 35-45 mph, locally up to 50 mph along and below the coastal slopes of the mountains and into the Inland Empire. The winds will weaken some this evening with more localized winds and gusts 35 to 40 mph continuing into the early afternoon Saturday. High temperatures have warmed today and will increase slightly Saturday with high temperatures 10 to 15 degrees above average in the coast and valleys. Inland areas will continue to warm on Sunday while coastal areas begin to cool with only slight changes for Monday and Tuesday. Wednesday and Thursday, high pressure aloft will weaken and onshore flow will strengthen. High temperatures will cool with Thursday high temperatures around 3 to 5 degrees below average.
For extreme southwestern California including Orange, San Diego, western Riverside and southwestern San Bernardino counties,
Today through Sunday, High pressure continues to build aloft over the area today, keeping the winds offshore and bringing in some warmer temperatures. Northeast winds have already peaked and will continue to slowly weaken into Saturday. Wind gusts around 35-50 mph will still be possible along and below the coastal slopes of the mountains through the early afternoon Saturday. Todays high temperatures will be in the 70s to mid 80s along the coast and into the valleys, 50s to upper 60s in the mountains, upper 60s to low 70s in the High deserts and upper 70s to upper 80s in Coachella Valley and the San Diego deserts. High temperatures Saturday will warm 3-5 degrees over the area.Sunday, conditions west of the mountains will cool, with temperatures continuing to increase in the mountains and deserts.
Monday through Friday, Next week, high temperatures will fluctuate a few degrees going into Wednesday with mostly clear skies in the afternoon Tuesday and Wednesday. Low pressure looks to move in towards the end of next week, increasing chances for precipitation. Models are in some disagreement on how much precipitation and when exactly the rain will fall but, as of right now, there is a slight chance of showers early Thursday through Friday afternoon.
031700z, Coast/Valleys/Foothills, VFR conditions will persist with offshore flow. North to northeast winds will continue to pick up along coastal slopes, foothills, and downwind of the Cajon/Banning Passes into the Inland Empire. Gusts 30-50 kts expected for coastal slopes of the San Bernardino/Santa Ana mtns and just below the Cajon Pass, with strongest winds expected this afternoon through early evening (20Z Fri-02Z Sat). Gusts 25-35 kts elsewhere. Winds weaken for all areas 03-06Z Sat with gusts over 20 kts becoming confined to coastal slopes. Some clouds will reform along the coastal areas after 09-11Z Sat with bases around 1500-2000 ft MSL, mainly for southern San Diego County. Some of these clouds may intermittently allow for skies to go SCT-BKN along the immediate coast, although not expecting CIGs/VIS impacts at TAF sites.
Mountain ridges/deserts, VFR conditions expected through tonight. North to northeast gusty winds through the Coachella Valley where with gusts 20-30 kts at KPSP and KTRM through early this afternoon.
No hazardous marine conditions expected through Tuesday.
Ca, Wind Advisory until 1 PM PDT Saturday for Orange County Inland Areas-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Gorgonio Pass near Banning-Santa Ana Mountains and Foothills.
PZ, None.
