Upcoming heat wave could hinder firefighting efforts in scorched West

·1-min read

Dozens of wildfires blazing through the Western U.S. are continuing to shroud surrounding areas in smoke and haze.

At least 92 large wildfires are continuing to burn in the West, mostly in California, Oregon and Washington. Evacuation orders are in effect for 17 of the active fires.

MORE: Nevada records worst air quality on record as wildfire smoke spreads

The Caldor Fire in Grizzly Flats, California, about 100 miles east of Sacramento, continues to spread, having burned through 126,566 acres by Wednesday evening and remains just 12% contained.

PHOTO: An Arroyo Grande Hotshot sawyer passes burning embers that could cause the French Fire to jump State Route 155, Aug. 24, 2021, near Wofford Heights, California. (David McNew/Getty Images)
PHOTO: An Arroyo Grande Hotshot sawyer passes burning embers that could cause the French Fire to jump State Route 155, Aug. 24, 2021, near Wofford Heights, California. (David McNew/Getty Images)

Smoke from the wildfires is continuing to bring poor air quality to much of the West, especially across the Northwest and northern Rockies. Seven states, from California to Colorado, are under air quality alerts on Wednesday.

MORE: Pristine Lake Tahoe shrouded in smoke from threatening fire

On Tuesday, Nevada recorded its worst air quality in history due to the wildfires. The air quality is so bad in some areas that it prompted school closures.

PHOTO: The French Fire comes close to destroying homes, Aug. 24, 2021, in Wofford Heights, California. (David McNew/Getty Images)
PHOTO: The French Fire comes close to destroying homes, Aug. 24, 2021, in Wofford Heights, California. (David McNew/Getty Images)

Scorching temperatures could possibly fuel the flames. Twenty-two states in the U.S. -- from California to New York -- are under heat alerts Wednesday.

MORE: How to protect yourself from low air quality, pollution amid raging wildfires

Excessive heat warnings are in effect for the Southwest, where temperatures will top 110 degrees in some regions. And heat is expected to spread north to Central and Northern California through the end of the week -- with temperatures expected to surpass 100 degrees in Sacramento, making it difficult for firefighters to contain the blazes.

PHOTO: A firefighting helicopter drops water on the French Fire near State Route 155, Aug. 24, 2021, near Wofford Heights, California. (David McNew/Getty Images)
PHOTO: A firefighting helicopter drops water on the French Fire near State Route 155, Aug. 24, 2021, near Wofford Heights, California. (David McNew/Getty Images)

Red flag warnings have also been issued for Colorado and Wyoming, where strong, erratic and gusty winds, along with low humidity, could present dangerous fire conditions.

ABC News' Melissa Griffin and Max Golembo contributed to this report.

Upcoming heat wave could hinder firefighting efforts in scorched West originally appeared on abcnews.go.com

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