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Warnings in California

Extreme heat watch

California · 4.9 million people · 3d left - until Fri, Oct 9, 8:00 PM PDT

The counties NWS named, with their neighbours for context.

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Extreme heat watch in effect from Wednesday morning through Friday evening

severe severity · likely certainty

What the National Weather Service says

* WHAT...Dangerously hot conditions with high temperatures as high as 108 on Thursday possible. Nights will be quite warm with low temperatures in the mid 70s to lower 80s.

* WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning.

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

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

What to do

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

Where

Coachella Valley · San Diego County Deserts · San Gorgonio Pass Near Banning

In effect from until .

This is a relay, not a warning system. Everything here comes from the National Weather Service and can lag. For anything affecting your safety, use weather.gov and local officials.

Source: National Weather Service alert feed (api.weather.gov). People affected is an estimate from the population of incorporated places inside the alert.