The U.S. Bureau of Reclamation will release less water from Nimbus Dam to the lower American River due to the dry winter conditions.
Flows in the river will go from 1100 cubic feet per second down to 500 cubic feet per second by Friday. The Bureau says the reduction is needed to protect fish and drinking water behind Folsom Dam.
The water content of the Sierra snowpack is about 20 percent of average for this time of year. California estimates it will only be able to deliver 5 percent of the water requested by 29 public agencies this year.
Cal Fire and U.S. Forest Service crews are working in steep terrain to contain the Trailhead Fire in Placer and El Dorado counties. The fire had grown to 2,551 acres Friday and was 12 percent contained.
Forecasters say the threat of wildfires will remain high in Southern California and the Southwest in July and August because of persistent drought and because summer rains may not be as consistent as usual.
Fire restrictions are in effect on U.S. Forest Service lands in the Lake Tahoe Basin. Officials say illegal and unattended campfires cause over 90 percent of wildfires within the Lake Tahoe Basin.
The drought in California, in its fifth consecutive year, has created conditions ripe for wildfires. The National Interagency Fire Center predicts "above normal" fire potential through September for portions of California, Nevada and Idaho.
A new report shows there are certain highways in California that are "hot spots" for wildlife-vehicle collisions.