Nevada and Arizona are taking a look at breaking all-time condition record highs this week, but Phoenix could stop just shy of its record Tuesday because of wildfire smoke.

There’s doubt in the result for record-breaking temperatures as a result of smoke out of 2 large wildfires burning east of Phoenix
Wildfire smoke can maintain Phoenix out of reaching a record high temperature Tuesday,” said NWS Phoenix within their area forecast discussion. The Mescal fire only to its east has burnt 72,250 acres and is currently at 88 percent containment.

Track the wildfires as well as the smoke
Smoke could be seen in the GOES-17 satellite growing northwestward toward Phoenix, in Addition to monitoring north through Arizona up to the Four Corners. A thick coating of lofted smoke can be found in the Grand Canyon as the sun set Monday night.
Lighting is consumed by smoke particles, which can be dark and may be widespread from the atmosphere during wildfire events. This lowers the level of the sun that may heat the area, particularly when heavy smoke plumes are found.
Underfloor heating can be affected from the smoke plume Tuesday because of easterly winds forcing the smoke to the Phoenix metro area.

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“The uncertainty in forecast highs decreases further west towards La Paz, eastern Riverside, and Imperial Counties where smoke and haze will have less of an effect and 117-120 degree Fahrenheit temperatures are likely,” stated NWS Phoenix.