Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

EW8163 Hume (E8163)

Lat: 36.78783°NLon: 118.91317°WElev: 5239.0ft.

36°F

2°C

Humidity	96%
Wind Speed	WSW 0 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	35°F (2°C)
Visibility	NA
Last update	25 Dec 12:33 AM PST

More Information:

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

Extended Forecast for

26 Miles NNE Squaw Valley CA

Flood Watch December 25, 12:47am until December 26, 04:00pm

Winter Storm Warning December 25, 12:47am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 12:47am until December 26, 04:00pm
Winter Storm Warning December 25, 12:47am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 32 °F
Snow Showers
and Breezy
Christmas Day
High: 36 °F
Snow and
Breezy
Thursday Night
Low: 28 °F
Snow Showers
and Breezy
Friday
High: 35 °F
Snow Showers
Friday Night
Low: 17 °F
Snow Likely
then Chance
Snow
Saturday
High: 36 °F
Slight Chance
Snow
Saturday Night
Low: 18 °F
Mostly Clear
Sunday
High: 42 °F
Sunny

Detailed Forecast

Overnight

Snow showers before 1am, then snow after 1am. Some thunder is also possible. Steady temperature around 32. Wind chill values as low as 19. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Christmas Day

Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 36. Wind chill values as low as 17. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

Thursday Night

Snow showers. Some thunder is also possible. Low around 28. Wind chill values as low as 18. Breezy, with a south wind around 20 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday

Snow showers before 1pm, then snow, mainly after 1pm. Some thunder is also possible. High near 35. Wind chill values as low as 17. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 17. South wind around 5 mph becoming northeast after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

A 20 percent chance of snow. Mostly sunny, with a high near 36. North northeast wind around 5 mph becoming calm.

Saturday Night

Mostly clear, with a low around 18. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 42. North northeast wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 15 mph.

Sunday Night

Clear, with a low around 23. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Monday

Sunny, with a high near 48. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 29. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Sunny, with a high near 52. North wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 33. Northeast wind around 10 mph, with gusts as high as 15 mph.

Wednesday

A 20 percent chance of rain. Snow level 7400 feet rising to 8100 feet in the afternoon. Partly sunny, with a high near 52. Northeast wind around 5 mph becoming calm in the morning.