Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from January 2, 04:00 PM PST until January 4, 10:00 AM PST

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

48°F

9°C

Humidity	44%
Wind Speed	NE 7 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	31 Dec 06:09 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles E Donner Summit CA

Winter Storm Watch January 2, 04:00pm until January 4, 10:00am

Click here for hazard details and duration

Winter Storm Watch

Today
High: 43 °F
Mostly Cloudy
then Chance
Rain and
Areas Fog
Tonight
Low: 33 °F
Rain and
Dense Fog
New Year's Day
High: 36 °F
Rain
Thursday Night
Low: 31 °F
Rain/Snow
Friday
High: 40 °F
Rain/Snow
Likely
Friday Night
Low: 30 °F
Snow then
Rain/Snow
Saturday
High: 33 °F
Heavy Snow
Saturday Night
Low: 27 °F
Snow Showers
Sunday
High: 32 °F
Heavy Snow

Detailed Forecast

Today

A 40 percent chance of rain, mainly after 2pm. Areas of fog after 5pm. Otherwise, cloudy, with a high near 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly after 7pm. Widespread dense fog, mainly before 3am. Low around 33. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. Steady temperature around 36. South southwest wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain and snow, mainly before 4am. Low around 31. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 10am, then rain likely between 10am and 4pm, then rain and snow likely after 4pm. Mostly cloudy, with a high near 40. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

Snow before 1am, then rain and snow. Low around 30. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 33. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Saturday Night

Snow showers before 10pm, then snow after 10pm. Some thunder is also possible. Cloudy, with a low around 27.

Sunday

Snow. The snow could be heavy at times. Cloudy, with a high near 32.

Sunday Night

Snow. Mostly cloudy, with a low around 25.

Monday

Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 32.

Monday Night

Snow likely. Mostly cloudy, with a low around 22.

Tuesday

A chance of snow. Partly sunny, with a high near 35.