More than 12 million Americans are on alert for extreme heat that is fueling dangerous fires across the Western U.S. with Napa County officials declaring a local emergency.

Officials in Napa County have declared a local emergency in response to the Pickett Fire in the Calistoga area.

As of Sunday evening, the fire near Calistoga had scorched more than 6,800 acres and was 11% contained, fire officials said.

A wildfire in Northern California has grown to nearly 7,000 acres, prompting evacuations in Napa County, forestry officials ...

The Pickett Fire in California’s Napa County grew over the weekend as people in the area experienced a heatwave with ...

The Pickett Fire in California's Napa County has burned 6,803 acres as of Sunday morning, making it the largest fire in the ...

The region’s largest wildfire this year continued to grow in Napa County, but its spread was slower than previous days with ...

As of Sunday morning, the fire had grown to about 6,800 acres, growing significantly from the 5,862-acre figure reported the ...

The wildfire — the largest in the region this year — spread more than 1,800 acres Saturday and grew another 270 acres ...

The County of Napa declared a local emergency Sunday in response to the Pickett Fire burning in the Calistoga area. Napa ...

Emergency managers leading the Pickett Fire response in Napa County will host a community meeting on Facebook Sunday evening ...