310
WWUS76 KMTR 030353
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
853 PM PDT Fri Oct 2 2026

CAZ006-502-528-529-031800-
/O.EXB.KMTR.HT.Y.0014.261003T1800Z-261005T0500Z/
San Francisco-Marin Coastal Range-Northern Salinas
Valley/Hollister Valley and Carmel Valley-Northern Monterey Bay-
853 PM PDT Fri Oct 2 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT SUNDAY...

* WHAT...Hot conditions with maximum temperatures in the low-80s to
  low-90s. Mild minimum temperatures and weak onshore flow will limit
  overnight relief.

* WHERE...The Marin Hills, Northern Monterey Bay, San Francisco, and
  Northern Salinas Valley/Hollister Valley and Carmel Valley.

* WHEN...From 11 AM Saturday to 10 PM PDT Sunday.

* IMPACTS...This level of heat affects anyone without effective
  cooling and/or adequate hydration. Impacts likely in some health
  systems, heat-sensitive industries and infrastructure.

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.

&&

$$

CAZ503-504-506-508-510-512>518-031800-
/O.CON.KMTR.HT.Y.0014.261003T1800Z-261006T0500Z/
Sonoma Coastal Range-North Bay Interior Mountains-North Bay
Interior Valleys-San Francisco Bay Shoreline-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-
853 PM PDT Fri Oct 2 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM SATURDAY TO 10 PM PDT
MONDAY...

* WHAT...Hot conditions with maximum temperatures in the mid-90s to
  low-100s. Mild minimum temperatures and weak onshore flow will
  limit overnight relief.

* WHERE...The East Bay and San Francisco Bay Shoreline, North Bay
  Interior Mountains and Valleys, The Santa Clara Valley and Eastern
  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 Southern Salinas Valley/Arroyo
  Seco and Lake San Antonio.

* WHEN...From 11 AM Saturday to 10 PM PDT Monday.

* IMPACTS...This level of heat affects anyone without effective
  cooling and/or adequate hydration. Impacts likely in some health
  systems, heat-sensitive industries and infrastructure.

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.

&&

$$

Sarment