How to resolve AdBlock issue? The National Weather Service said significant cooling is expected over the weekend and into next week because of a weather system coming from western Canada.
The forecast across the region suggests temperatures could drop as much as 15 to 30 degrees below normal over the coming week.
The are predictions of rain showers over the southern Cascades, northern Sierra and the foothills, as well as the possibility of early season high elevation snowfall will also be possible across the higher elevations of the northern Sierra Nevada and southern Cascade Range this weekend into Monday.
The National Weather Service has issued a winter weather advisory for the Northern Sierra on Saturday afternoon.
Temperatures across the region are forecast to warm slightly on Wednesday but will remain below normal as another weather system moves in from the Pacific and over the Pacific Northwest.
The Lake County forecast calls for breezy and cooler conditions on Saturday and the potential for rain on Sunday and Sunday night.
Northwest winds are forecast to range in speed up to 20 miles per hour, with gusts of as high as 25 miles per hour on Saturday, with southwest winds of about 17 miles per hour on Sunday.
Daytime temperatures are expected to range into the high 60s from Saturday through Monday, rising into the high 70s through Friday. Nighttime temperatures will range from the high 30s over the weekend to the low 50s late next week.
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