886
WWUS76 KMTR 101837
NPWMTR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1137 AM PDT WED JUN 10 2026
CAZ510-513>515-110400-
/O.EXT.KMTR.HT.Y.0002.260611T1900Z-260613T0200Z/
EAST BAY INTERIOR VALLEYS-SANTA CLARA VALLEY INCLUDING SAN JOSE-
EASTERN SANTA CLARA HILLS-EAST BAY HILLS-
1137 AM PDT WED JUN 10 2026
...HEAT ADVISORY NOW IN EFFECT FROM NOON THURSDAY TO 7 PM PDT
FRIDAY...
* WHAT...TEMPERATURES BETWEEN 90 AND 95 FOR MOST AREAS, WITH SOME
READINGS ABOVE 100 DEGREES. HOTTEST CONDITIONS ACROSS THE EAST BAY
HILLS AND VALLEYS.
* WHERE...THE SANTA CLARA VALLEY AND EASTERN HILLS, AND THE EAST BAY
HILLS AND VALLEYS.
* WHEN...FROM NOON THURSDAY TO 7 PM PDT FRIDAY.
* IMPACTS...THIS LEVEL OF HEAT AFFECTS PRIMARILY THOSE INDIVIDUALS
EXTREMELY SENSITIVE TO HEAT, ESPECIALLY WHEN OUTDOORS WITHOUT
EFFECTIVE COOLING AND/OR ADEQUATE HYDRATION. 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.
CAZ503-504-506-508-110400-
/O.CON.KMTR.HT.Y.0002.260611T1900Z-260612T0600Z/
SONOMA COASTAL RANGE-NORTH BAY INTERIOR MOUNTAINS-NORTH BAY
INTERIOR VALLEYS-SAN FRANCISCO BAY SHORELINE-
1137 AM PDT WED JUN 10 2026
..HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT THURSDAY
* WHAT...HIGH TEMPERATURES BETWEEN 90 AND 103 FOR INTERIOR VALLEYS
AND HIGHER ELEVATIONS. HIGH TEMPERATURES BETWEEN 85 AND 96 DEGREES
FOR THE BAY SHORELINE.
* WHERE...NORTH BAY INTERIOR MOUNTAINS AND VALLEYS, AND SAN FRANCISCO
BAY SHORELINE.
* WHEN...FROM NOON TO 11 PM PDT THURSDAY.
* 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.
BAIN
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