231 WWUS76 KSGX 231217 NPWSGX URGENT - WEATHER MESSAGE National Weather Service San Diego CA 517 AM PDT Sun Aug 23 2026 CAZ061-062-065-232115- /O.CON.KSGX.XH.W.0008.000000T0000Z-260829T0300Z/ Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning- Including the cities of Cathedral City, Borrego Springs, Indio, Palm Desert Country, La Quinta, Coachella, Palm Springs, and Palm Desert 517 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with temperatures up to 117. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal 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. && $$ CAZ048-050-056>058-554-232115- /O.CON.KSGX.HT.Y.0010.000000T0000Z-260825T1700Z/ /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Valleys-Riverside County Mountains-Santa Ana Mountains and Foothills-San Diego County Mountains-Orange County Inland Areas- Including the cities of Santa Ana, Pine Valley, Fullerton, San Marcos, Fontana, Riverside, Garden Grove, Ontario, Corona, Orange, Poway, Moreno Valley, Anaheim, Rancho Cucamonga, San Bernardino, Escondido, El Cajon, La Mesa, Irvine, Idyllwild-Pine Cove, Julian, Santee, and Mission Viejo 517 AM PDT Sun Aug 23 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Temperatures 90 to 98 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 100 to 107 for the Inland Empire and 89 to 100 in the mountains. Temperatures increase slightly for the middle and end of next week, making for a prolonged and dangerous stretch of heat. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Increasing temperatures into the middle of next week will increase the threat of heat-related illness across populations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ055-232115- /O.CON.KSGX.HT.Y.0010.000000T0000Z-260825T1700Z/ /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Bernardino County Mountains- Including the cities of Wrightwood, Big Bear City, Running Springs, Big Bear Lake, Crestline, and Lake Arrowhead 517 AM PDT Sun Aug 23 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT TUESDAY... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Temperatures in the mid to upper 90s below 5000 ft MSL. * WHERE...San Bernardino County Mountains. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. 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. && $$ CAZ043-552-232115- /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ San Diego County Coastal Areas-Orange County Coastal Areas- Including the cities of Chula Vista, Huntington Beach, Vista, National City, Encinitas, Oceanside, Laguna Beach, Newport Beach, Carlsbad, Costa Mesa, San Diego, and San Clemente 517 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures up to 93 possible. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight lows around 5 to 7 degrees above normal will limit relief from the heat, especially for those without adequate cooling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ CAZ060-232115- /O.CON.KSGX.XH.A.0006.260825T1700Z-260829T0300Z/ Apple and Lucerne Valleys- Including the cities of Victorville, Lucerne Valley, Hesperia, and Apple Valley 517 AM PDT Sun Aug 23 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with temperatures up to 108 possible and limited nighttime cooling. * WHERE...Apple and Lucerne Valleys. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal 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. && $$ PS  091 WWUS72 KILM 231245 NPWILM URGENT - WEATHER MESSAGE National Weather Service Wilmington NC 845 AM EDT Sun Aug 23 2026 NCZ087-SCZ017-024-231345- /O.CAN.KILM.FG.Y.0009.000000T0000Z-260823T1300Z/ Robeson-Marlboro-Dillon- Including the cities of Dillon, McColl, Lumberton, and Bennettsville 845 AM EDT Sun Aug 23 2026 ...DENSE FOG ADVISORY IS CANCELLED... The threat has ended. $$ SRP  263 WWUS74 KMOB 231249 NPWMOB URGENT - WEATHER MESSAGE National Weather Service Mobile AL 749 AM CDT Sun Aug 23 2026 MSZ067-075-076-078-079-232200- /O.CON.KMOB.HT.Y.0019.260823T1600Z-260824T0100Z/ Wayne-Perry-Greene-Stone-George- Including the cities of Richton, Leakesville, Waynesboro, New Augusta, Lucedale, Wiggins, McLain, and Beaumont 749 AM CDT Sun Aug 23 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to around 108 expected. * WHERE...George, Greene, Perry, Stone, and Wayne Counties. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. && $$  318 WWUS72 KRAH 231250 NPWRAH URGENT - WEATHER MESSAGE National Weather Service Raleigh NC 850 AM EDT Sun Aug 23 2026 NCZ083>086-088-231400- /O.CAN.KRAH.FG.Y.0010.000000T0000Z-260823T1300Z/ Anson-Richmond-Scotland-Hoke-Cumberland- Including the cities of Laurinburg, Rockingham, Ellerbe, Hope Mills, Spring Lake, Wagram, Wadesboro, Raeford, Camp Mackall, Fayetteville, and Polkton 850 AM EDT Sun Aug 23 2026 ...DENSE FOG ADVISORY IS CANCELLED... The fog across most of the area has lifted and visibilities have improved. While conditions should continue to improve, be on the lookout for localized sports with lingering dense fog through mid morning. $$ Blaes