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Elev 1066 ft, 34.06 °N, 117.65 °W

Ontario, CA Severe Weather Alertstar_ratehome

icon94 Â°F NW Ontario Station|Report|Change
Current Station
Personal Weather Station
Location: Ontario, CA
Elevation: 1066ft
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Active Weather Alerts

Extreme Heat Watch
Issued: 8:58 AM Aug. 18, 2025 – National Weather Service
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH FRIDAY EVENING...

* WHAT...Dangerously hot conditions with temperatures of 99 to 104
possible.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.

* WHEN...From Thursday morning through Friday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

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