The Latest: Cooler weather helps firefighters' progress on unruly Northern California wildfire

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The latest on wildfires burning in California (all times local):

7:30 a.m.

Thousands of firefighters battling an unruly Northern California wildfire were aided by cooler temperatures and higher humidity.

But the fire is still less than a quarter contained Wednesday.

Firefighting officials said crews made some progress Tuesday with help from light rain. The blaze has charred 106 square miles and it isn't expected to be completely contained until at least Monday.

The fire is burning about 110 miles north of San Francisco along rugged, parched terrain in Lake, Yolo and Colusa counties.

The cause of the fire is under investigation. Since it started last week, more than 13,000 people were required or urged to leave their homes, vacation cabins and campsites.