USA Update Summit Fire in California 40 percent contained, but forecast causes concern (+video)

The so-called Summit Fire is one of at least 680 wildfires that state firefighters have responded to this year in California – 200 more than the average for the period. Conditions are dry, warm, and windy.

Richard Lui/The Desert Sun/AP

Firefighters partially contained a southern California brush fire Wednesday night, but state fire officials worry it will spread faster Thursday because of forecasted 90-degree temperatures and 50-mile-per-hour winds.