Clipper System Moving Across the Nation; Heavy Precipitation Across the Pacific Northwest

A clipper system moving through the Ohio Valley, Lower Great Lakes and central Appalachians will continue to produce snow and rain through Wednesday. Higher elevations of the central Appalachians could receive a few inches of snow. Meanwhile, excessive rainfall, flooding and high elevation snow will continue to impact the Pacific Northwest through mid-week. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 7, 10:00 AM PST until December 7, 10:00 PM PST

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Current conditions at

HELL HOLE (HLLC1)

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

46°F

8°C

Humidity	41%
Wind Speed	NE 2 MPH
Barometer	NA
Dewpoint	23°F (-5°C)
Visibility	NA
Last update	06 Dec 01:09 AM PST

More Information:

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

Extended Forecast for

2 Miles ESE Donner Summit CA

Winter Weather Advisory December 7, 10:00am until December 7, 10:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight

Partly Cloudy
Low: 33 °F
Wednesday

Sunny and
Breezy then
Rain/Snow and
Patchy Dense
Fog
High: 44 °F
Wednesday
Night

Heavy Snow
and Areas
Freezing Fog
Low: 22 °F
Thursday

Heavy Snow
High: 29 °F
Thursday
Night

Snow Showers
then Chance
Snow Showers
Low: 12 °F
Friday

Frost then
Sunny
High: 30 °F
Friday
Night

Mostly Clear
Low: 15 °F
Saturday

Partly Sunny
High: 41 °F
Saturday
Night

Frost then
Mostly Cloudy
Low: 24 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 33. South southwest wind around 11 mph.

Wednesday

A chance of rain showers between noon and 2pm, then rain and snow showers. The snow could be heavy at times. Some thunder is also possible. Patchy dense fog after 4pm. High near 44. Breezy, with a southwest wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Areas of dense fog between 10pm and midnight. Areas of freezing fog before 10pm. Low around 22. Breezy, with a southwest wind 21 to 28 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

Thursday

Snow showers. The snow could be heavy at times. High near 29. Southwest wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow showers, mainly before 10pm. Widespread frost after 4am. Low around 12. West southwest wind 7 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Friday

Widespread frost before 10am. Otherwise, sunny, with a high near 30.

Friday Night

Mostly clear, with a low around 15.

Saturday

Partly sunny, with a high near 41.

Saturday Night

Widespread frost before 9pm. Otherwise, mostly cloudy, with a low around 24.

Sunday

Mostly cloudy, with a high near 44.

Sunday Night

Mostly cloudy, with a low around 24.