|
Home Return to list Heat Advisory 0011 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2026-08-04 07:10:11 949 WWUS76 KMTR 041209 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 509 AM PDT Tue Aug 4 2026 CAZ510-515-050500- /O.NEW.KMTR.HT.Y.0011.260804T1700Z-260805T0500Z/ East Bay Interior Valleys-East Bay Hills- 509 AM PDT Tue Aug 4 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PDT THIS EVENING... * WHAT...Temperatures in the upper 90s to low 100s. * WHERE...The East Bay Hills and Valleys. * WHEN...From 10 AM this morning to 10 PM PDT this evening. * 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. 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. Stay cool, stay hydrated, stay informed. && $$ Kennedy Action: Area Extended Issued At: 2026-08-04 13:22:16 659 WWUS76 KMTR 041614 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 914 AM PDT Tue Aug 4 2026 CAZ513-514-050500- /O.EXA.KMTR.HT.Y.0011.260804T1700Z-260805T0500Z/ Santa Clara Valley Including San Jose-Eastern Santa Clara Hills- 914 AM PDT Tue Aug 4 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... * WHAT...Temperatures in the 90s to low 100s. * WHERE...The Santa Clara Valley and Eastern Hills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...Hottest temperatures southern interior Santa Clara Valley and interior Eastern Hills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles.Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed. && $$ CAZ510-515-050500- /O.CON.KMTR.HT.Y.0011.260804T1700Z-260805T0500Z/ East Bay Interior Valleys-East Bay Hills- 914 AM PDT Tue Aug 4 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * WHAT...Temperatures in the upper 90s to low 100s. * WHERE...The East Bay Hills and Valleys. * WHEN...Until 10 PM PDT this evening. * 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. 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. Stay cool, stay hydrated, stay informed. && $$ MM Action: Continued Issued At: 2026-08-04 13:22:16 659 WWUS76 KMTR 041614 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 914 AM PDT Tue Aug 4 2026 CAZ513-514-050500- /O.EXA.KMTR.HT.Y.0011.260804T1700Z-260805T0500Z/ Santa Clara Valley Including San Jose-Eastern Santa Clara Hills- 914 AM PDT Tue Aug 4 2026 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... * WHAT...Temperatures in the 90s to low 100s. * WHERE...The Santa Clara Valley and Eastern Hills. * WHEN...Until 10 PM PDT this evening. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...Hottest temperatures southern interior Santa Clara Valley and interior Eastern Hills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles.Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed. && $$ CAZ510-515-050500- /O.CON.KMTR.HT.Y.0011.260804T1700Z-260805T0500Z/ East Bay Interior Valleys-East Bay Hills- 914 AM PDT Tue Aug 4 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING... * WHAT...Temperatures in the upper 90s to low 100s. * WHERE...The East Bay Hills and Valleys. * WHEN...Until 10 PM PDT this evening. * 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. 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. Stay cool, stay hydrated, stay informed. && $$ MM Action: Cancelled Issued At: 2026-08-04 23:11:04 053 WWUS76 KMTR 050410 NPWMTR URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 910 PM PDT Tue Aug 4 2026 CAZ510-513>515-050515- /O.CAN.KMTR.HT.Y.0011.000000T0000Z-260805T0500Z/ East Bay Interior Valleys-Santa Clara Valley Including San Jose- Eastern Santa Clara Hills-East Bay Hills- 910 PM PDT Tue Aug 4 2026 ...HEAT ADVISORY IS CANCELLED... Temperatures continue to cool this evening due to the loss of daytime heating and the marine layer seeping into the region. As a result, the Heat Advisory is being cancelled early. $$ KR | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||