Headline:
Heat Advisory issued October 4 at 9:34PM PDT until October 7 at 10:00PM PDT by NWS San Francisco CA
Event:
Heat Advisory
Urgency:
Expected
Effective:
October 4, 2026 - 9:34pm
Expires:
October 5, 2026 - 5:45am
Description:
* 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...Until 10 PM PDT Wednesday.
* IMPACTS...For the Heat Advisory, this level of heat affects anyone
without effective cooling and/or adequate hydration. Impacts likely
in some health systems, heat-sensitive industries and
infrastructure.
Instruction:
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.
Area Description:
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
Forcast Office:
NWS San Francisco CA
Sender:
w-nws.webmaster@noaa.gov