Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

CASHMAN (CHAC1)

Lat: 40.00194°NLon: 120.915°WElev: 4478.0ft.

46°F

8°C

Humidity	86%
Wind Speed	SE 16 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	24 Dec 01:47 AM PST

More Information:

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

Extended Forecast for

7 Miles WSW Greenville CA

Flood Watch December 24, 02:58am until December 26, 04:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 02:58am until December 26, 04:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 41 °F
Rain and
Breezy
Wednesday
High: 42 °F⇓
Rain/Snow
then Chance
Rain/Snow
Wednesday Night
Low: 37 °F
Rain/Snow and
Breezy
Christmas Day
High: 36 °F
Snow
Thursday Night
Low: 33 °F
Heavy Snow
Friday
High: 34 °F
Snow
Friday Night
Low: 30 °F
Snow
Saturday
High: 34 °F
Chance Snow
then Mostly
Sunny

Detailed Forecast

Overnight

Rain. Steady temperature around 41. Breezy, with a south wind around 24 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Temperature falling to around 36 by 9am. South wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow before 1am, then rain between 1am and 3am, then rain and snow after 3am. Steady temperature around 37. Breezy, with a south wind 15 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Christmas Day

Snow. High near 36. South wind 16 to 20 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 33. South wind around 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Friday

Snow. High near 34. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow, mainly before 4am. Low around 30. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

A chance of snow before 10am. Mostly sunny, with a high near 34.

Saturday Night

Mostly clear, with a low around 21.

Sunday

Mostly sunny, with a high near 35.

Sunday Night

Mostly clear, with a low around 23.