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Extreme Heat Warning issued July 8 at 10:56PM MST until July 10 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 111 to 116 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...In Arizona, Parker Valley. In California, Chuckwalla Valley, Imperial County Southwest, Imperial County West, Imperial Valley, and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

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Why it mattersCalifornia

* WHAT...Dangerously hot conditions. Afternoon temperatures 111 to 116 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...In Arizona, Parker Valley. In California, Chuckwalla Valley, Imperial County Southwest, Imperial County West, Imperial Valley, and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

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What happened

According to National Weather Service’s linked public record, Extreme Heat Warning issued July 8 at 10:56PM MST until July 10 at 8:00PM MST by NWS Phoenix AZ, * WHAT…Dangerously hot conditions. Afternoon temperatures 111 to 116 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE…In Arizona, Parker Valley. In California, Chuckwalla Valley, Imperial County Southwest, Imperial County West, Imperial Valley, and Palo Verde Valley. * WHEN…Until 8 PM MST /8 PM PDT/ Friday. * IMPACTS…Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Context

The development sits in VINI’s California coverage for readers following state policy, regional institutions, courts, markets, public services, and California communities. The original report is linked so readers can check the publisher account, follow later updates, and compare new coverage against the first published record. The original item is dated 2026-07-09T05:56:00+00:00.

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Source

Primary source: Extreme Heat Warning issued July 8 at 10:56PM MST until July 10 at 8:00PM MST by NWS Phoenix AZ via National Weather Service. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.

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