|
Home Return to list Heat Advisory 0012 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2026-08-06 13:08:26 985 WWUS76 KMTR 061807 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1107 AM PDT Thu Aug 6 2026 CAZ503-504-510-512>515-517-518-070600- /O.NEW.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 1107 AM PDT Thu Aug 6 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime temperatures into the mid 90 and low 100s. Nighttime lows in the mid 60s to mid 70s. * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and North Bay Interior Mountains. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...The hottest locations will be across the far interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles.Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ MM Action: Continued Issued At: 2026-08-07 00:58:20 033 WWUS76 KMTR 070557 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1057 PM PDT Thu Aug 6 2026 CAZ503-504-510-512>515-517-518-081700- /O.CON.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 1057 PM PDT Thu Aug 6 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s to mid 70s. * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and North Bay Interior Mountains. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...The hottest locations will be across the far interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles.Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ Sarment Action: Area Extended Issued At: 2026-08-07 12:06:19 544 WWUS76 KMTR 071706 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1006 AM PDT Fri Aug 7 2026 CAZ516-081700- /O.EXA.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- 1006 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s to low 80s (especially in the higher elevations). * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio County. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ CAZ503-504-510-512>515-517-518-081700- /O.CON.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 1006 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s to low 80s (especially in the higher elevations). * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and North Bay Interior Mountains. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ RGass Action: Continued Issued At: 2026-08-07 12:06:19 544 WWUS76 KMTR 071706 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 1006 AM PDT Fri Aug 7 2026 CAZ516-081700- /O.EXA.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Southern Salinas Valley/Arroyo Seco and Lake San Antonio- 1006 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s to low 80s (especially in the higher elevations). * WHERE...Southern Salinas Valley/Arroyo Seco and Lake San Antonio County. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ CAZ503-504-510-512>515-517-518-081700- /O.CON.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 1006 AM PDT Fri Aug 7 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM SATURDAY TO 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s to low 80s (especially in the higher elevations). * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and North Bay Interior Mountains. * WHEN...From 10 AM Saturday to 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ RGass Action: Continued Issued At: 2026-08-08 11:38:18 924 WWUS76 KMTR 081637 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 937 AM PDT Sat Aug 8 2026 CAZ503-504-510-512>518-090500- /O.CON.KMTR.HT.Y.0012.260808T1700Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills- Southern Salinas Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 937 AM PDT Sat Aug 8 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s in the hills to low 80s (especially in the higher elevations). * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...The hottest locations will be across the far interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ RGass Action: Continued Issued At: 2026-08-08 23:42:40 272 WWUS76 KMTR 090442 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 942 PM PDT Sat Aug 8 2026 CAZ503-504-510-512>518-100500- /O.CON.KMTR.HT.Y.0012.000000T0000Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills- Southern Salinas Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 942 PM PDT Sat Aug 8 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY... * WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s in the hills to low 80s (especially in the higher elevations). * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...The hottest locations will be across the far interior. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Cooling shelters may be available in your area. Check with your city or county office of emergency management for locations and sign up for local alerts via alertthebay.org. && $$ Sarment Action: Expired Issued At: 2026-08-09 23:33:09 203 WWUS76 KMTR 100432 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 932 PM PDT Sun Aug 9 2026 CAZ503-504-510-512>518-100545- /O.EXP.KMTR.HT.Y.0012.000000T0000Z-260810T0500Z/ Sonoma Coastal Range-North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills- Southern Salinas Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park- 932 PM PDT Sun Aug 9 2026 ...HEAT ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING... The threat has ended. $$ Sarment | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||