Model guidance has been poor recently; every day is hotter than forecast. Hopefully this will actually be cooler than predicted. NWS_LA Ventura County Interior Valleys-Ventura County Coastal Valleys- Santa Monica Mountains Recreational Area-Santa Clarita Valley- Los Angeles County San Fernando Valley- Los Angeles County San Gabriel Valley- Including the cities of Santa Paula, Fillmore, Ojai, Piru, Thousand Oaks, Simi Valley, Moorpark, Newbury Park, Santa Clarita, Newhall, Valencia, Woodland Hills, Northridge, Burbank, Universal City, Pasadena, San Gabriel, and Pomona 255 PM PDT Mon Jul 3 2017 ...EXCESSIVE HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH SATURDAY EVENING... The National Weather Service in Los Angeles/Oxnard has issued an Excessive Heat Watch, which is in effect from Thursday morning through Saturday evening. * TEMPERATURES...ranging from 100-107 degrees. Overnight low temperatures will remain in the 70s to lower 80s across warmest locations, especially in the foothills. * IMPACTS...Very high temperatures may create a dangerous situation in which heat illnesses are possible. Temperatures inside vehicles, even if the windows are partially open, can quickly rise to life-threatening levels. The extended period of hot temperatures will bring elevated fire weather concerns.