Weather Alerts For Twin Peaks, CA

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT THURSDAY # DETAILS -------------------- WHAT Hot and humid conditions with elevated overnight temperatures in the upper 60s to low 70s. High temperatures in the 90s for inland Orange County and in the mountains below 6000 feet, in the mid 90s to 102 in the San Diego County valleys, and in the upper 90s to 108 for the Inland Empire expected. WHERE Orange County Inland Areas, Riverside County Mountains, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, San Gorgonio Pass near Banning, and Santa Ana Mountains and Foothills. WHEN From 10 AM Wednesday to 8 PM PDT Thursday. IMPACTS Heat related illnesses increase significantly during extreme heat events. Those spending long periods outdoors will be at greater risk for heat health impacts. ISSUED AT Tuesday, July 14, 2026 at 8:52 PM PDT ISSUED BY National Weather Service San Diego CA HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. # AREAS AFFECTED -------------------- Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys, San Bernardino County Mountains, San Diego County Mountains, San Diego County Valleys, San Gorgonio Pass near Banning, Santa Ana Mountains and Foothills, The Inland Empire Including the cities of Rancho Cucamonga, Idyllwild-Pine Cove, Moreno Valley, Irvine, San Bernardino, Anaheim, San Marcos, Escondido, Santee, Santa Ana, Running Springs, Riverside, Ontario, Big Bear Lake, Garden Grove, El Cajon, Crestline, Pine Valley, Big Bear City, Poway, Mission Viejo, Fullerton, Wrightwood, Corona, La Mesa, Fontana, Lake Arrowhead, Orange, and Julian