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Elev 938 ft, 34.13 °N, 117.83 °W

Glendora, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Glendora, CA
Elevation: 938ft
Nearby Weather Stations

Active Weather Alerts

Heat Advisory
Issued: 7:11 AM Jul. 21, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT
WEDNESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH MONDAY EVENING...

* WHAT...For the Heat Advisory, temperatures between 93 to 103
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between 97 and 107 possible.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
For the Extreme Heat Watch, from Wednesday evening through Monday
evening.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. There is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

Extreme Heat Watch
Issued: 7:11 AM Jul. 21, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM PDT
WEDNESDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH MONDAY EVENING...

* WHAT...For the Heat Advisory, temperatures between 93 to 103
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between 97 and 107 possible.

* WHERE...A portion of southwest California.

* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.
For the Extreme Heat Watch, from Wednesday evening through Monday
evening.

* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors. There is a high risk
for heat illness for sensitive populations including the very
young, the very old, those without air conditioning, and those
active outdoors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

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