* WHAT...For this morning's Winter Storm Warning, additional snow
accumulations of 1 to 3 inches. Winds gusting as high as 45 mph.
For the Winter Storm Watch, heavy snow possible. Total snow
accumulations between 1 and 4 feet possible from Friday afternoon
through Tuesday afternoon. Winds could gust as high as 50 mph.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park.

* WHEN...For the Winter Storm Warning, until 8 AM PST this morning.
For the Winter Storm Watch, from Friday afternoon through Tuesday
afternoon.

* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning and evening
commutes. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow levels around 6000-7000 feet this
morning, rising through the day and into Friday. Snow levels
Friday afternoon around 6000-7000 feet, lowering to around
4500-5500 feet over the weekend. A brief break in snowfall will be
possible from late Saturday afternoon into the overnight period
with lighter snowfall amounts.

Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.

* WHAT...Southeast winds 15 to 25 mph with gusts 35 to 45 mph.

* WHERE...Central and Northern Sacramento Valley and Northeast
Foothills

* WHEN...Until 7 AM PST Thursday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure outdoor objects.

* WHAT...Prolonged periods of moderate to heavy rain with amounts of
3 to 6 inches expected, and up to 8 to 12 inches possible in the
foothills. Flooding caused by excessive rainfall is possible.

* WHERE...A portion of northern California, including the following
areas, Northern and Central Sacramento Valley, Mountains
Southwestern Shasta County to Western Colusa County, Northeast
Foothills/Sacramento Valley, and Shasta Lake Area / Northern
Shasta County.

* WHEN...Through 4 AM PST Saturday morning.

* IMPACTS...Excessive runoff may result in sharp rises of rivers,
creeks, and streams, and ponding of water or flooding on roadways
and other low-lying locations.

* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

* WHAT...For this morning's Winter Storm Warning, additional snow
accumulations of 1 to 3 inches. Winds gusting as high as 45 mph.
For the Winter Storm Watch, heavy snow possible. Total snow
accumulations between 1 and 4 feet possible from Friday afternoon
through Tuesday afternoon. Winds could gust as high as 50 mph.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park.

* WHEN...For the Winter Storm Warning, until 8 AM PST this morning.
For the Winter Storm Watch, from Friday afternoon through Tuesday
afternoon.

* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning and evening
commutes. Gusty winds could bring down tree branches.

* ADDITIONAL DETAILS...Snow levels around 6000-7000 feet this
morning, rising through the day and into Friday. Snow levels
Friday afternoon around 6000-7000 feet, lowering to around
4500-5500 feet over the weekend. A brief break in snowfall will be
possible from late Saturday afternoon into the overnight period
with lighter snowfall amounts.

Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.