Northern California firefighters expect extreme temperatures

A helicopter flies over Willow Creek Canyon as a wildfire continues burning in the Sierra near Bass Lake, Calif., Monday, July 27, 2015. (Eric Paul Zamora/The Fresno Bee via AP)FRESNO, Calif. (AP) — A wildfire east of California’s Napa Valley has charred more than 11 square miles after it jumped a containment line in rugged, steep terrain baked by triple digit temperatures, fire officials said Wednesday.

At least 136 structures remain threatened, and mandatory evacuations of more than 200 people from their homes stand.

The blaze, which sent a smoke plume visible for miles and gave the horizon an amber hue, is one of several blazes burning across the state. Temperatures in Northern California…