Headline:
Heat Advisory issued July 21 at 10:17AM PDT until July 21 at 9:00PM PDT by NWS San Francisco CA
Event:
Heat Advisory
Urgency:
Expected
Effective:
July 21, 2026 - 10:17am
Expires:
July 21, 2026 - 9:00pm
Description:
* WHAT...Temperatures into the mid 90 and low 100s.
* WHERE...Entire Bay Area excluding the immediate Pacific Coast zones
and San Francisco. Also, including Interior Central Coast.
* WHEN...Until 9 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.
Instruction:
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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Area Description:
Marin 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: