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34.04 °N, 117.58 °W

Ontario, CA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Ontario, CA
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Active Weather Alerts

Extreme Heat Warning
Issued: 3:21 AM Aug. 3, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...

* WHAT...Dangerously hot conditions with high temperatures in the
upper 90s to 103 expected.

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

* WHEN...Until 8 PM PDT Monday.

* 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.

&&

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