Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
153 WWUS76 KSGX 082052 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 152 PM PDT Tue Sep 8 2026 CAZ043-552-090530- /O.CON.KSGX.XH.W.0009.000000T0000Z-260910T0300Z/ /O.CON.KSGX.HT.Y.0011.260910T0300Z-260911T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Chula Vista, Oceanside, Vista, Huntington Beach, Carlsbad, San Diego, Costa Mesa, Encinitas, and National City 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 80s at the beaches to 90s for higher coastal terrain with low temperatures in the lower to mid 70s. For the Heat Advisory, high temperatures around 80 near the coast to the lower to mid 90s for higher coastal terrain. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Major to Extreme HeatRisk through Wednesday. Warm overnight low temperature will limit relief from the heat. 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. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit 211ca.org for assistance locating appropriate shelter from the heat. && $$ CAZ048-090530- /O.CON.KSGX.XH.W.0009.000000T0000Z-260910T0300Z/ /O.CON.KSGX.HT.Y.0011.260910T0300Z-260911T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire- Including the cities of Ontario, Riverside, Rancho Cucamonga, Corona, Moreno Valley, Fontana, and San Bernardino 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures high temperatures in the upper 90s to 107 with low temperatures in the 70s expected. For the Heat Advisory, high temperatures in the mid 90s to 102 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Major HeatRisk through Wednesday. Warm overnight temperatures will limit overnight relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ CAZ050-090530- /O.CON.KSGX.XH.W.0009.000000T0000Z-260910T0300Z/ /O.CON.KSGX.HT.Y.0011.260910T0300Z-260911T0300Z/ San Diego County Valleys- Including the cities of San Marcos, Santee, La Mesa, Poway, Escondido, and El Cajon 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 90s to 106 with low temperatures in the 70s expected. For the Heat Advisory, high temperatures in the 90s to 102 expected. * WHERE...San Diego County Valleys. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated lows will limit overnight relief from the heat. 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. && $$ CAZ057-090530- /O.CON.KSGX.XH.W.0009.000000T0000Z-260910T0300Z/ /O.CON.KSGX.HT.Y.0012.260910T0300Z-260911T0300Z/ Santa Ana Mountains and Foothills- 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the 90s to near 100 with low temperatures in the 70s expected. For the Heat Advisory, high temperatures in the mid 80s to low 90s expected. * WHERE...Santa Ana Mountains and Foothills. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight temperatures will limit relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ CAZ554-090530- /O.CON.KSGX.XH.W.0009.000000T0000Z-260910T0300Z/ /O.CON.KSGX.HT.Y.0012.260910T0300Z-260911T0300Z/ Orange County Inland Areas- Including the cities of Mission Viejo, Orange, Anaheim, Garden Grove, Fullerton, Santa Ana, and Irvine 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT FROM 8 PM WEDNESDAY TO 8 PM PDT THURSDAY... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the 90s to near 101 with low temperatures in the 70s expected. For the Heat Advisory, high temperatures in the upper 80s to mid 90s expected. * WHERE...Orange County Inland Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major HeatRisk. Warm overnight temperatures will limit relief from the heat. 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. && $$ CAZ061-062-065-090530- /O.CON.KSGX.XH.W.0009.260909T1700Z-260912T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Indio, Banning, Cathedral City, Borrego Springs, Coachella, Palm Desert, Desert Hot Springs, Palm Springs, Palm Desert Country, and La Quinta 152 PM PDT Tue Sep 8 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with high temperatures of 106 to 110 expected with low temperatures in the 80s expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...From 10 AM Wednesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Areas of Major HeatRisk. Very warm overnight temperatures will limit relief from the heat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ056-058-090530- /O.CON.KSGX.HT.Y.0011.000000T0000Z-260911T0300Z/ Riverside County Mountains-San Diego County Mountains- Including the cities of Julian and Pine Valley 152 PM PDT Tue Sep 8 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY... * WHAT...High temperatures in the 90s below 5500 feet expected. * WHERE...Riverside County Mountains and San Diego County Mountains. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate HeatRisk. Warm overnight temperatures will limit relief from the heat. 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. && $$ KW