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

Trinity Center (KO86)

Lat: 40.98452°NLon: 122.69342°WElev: 2385.0ft.

Overcast

41°F

5°C

Humidity	93%
Wind Speed	SW 10 MPH
Barometer	29.59 in (1002.03 mb)
Dewpoint	39°F (4°C)
Visibility	9.00 mi
Wind Chill	35°F (2°C)
Last update	25 Dec 09:35 PM PST

More Information:

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

Extended Forecast for

7 Miles WNW Covington Mill CA

Flood Watch December 26, 12:20am until December 26, 10:00pm

Winter Storm Warning December 26, 12:20am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 26, 12:20am until December 26, 10:00pm
Winter Storm Warning December 26, 12:20am until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 23 °F
Heavy Snow
and Windy
Friday
High: 28 °F
Heavy Snow
and Windy
Friday Night
Low: 19 °F
Blustery.
Snow Showers
Likely then
Chance Snow
Showers
Saturday
High: 29 °F
Slight Chance
Snow Showers
Saturday Night
Low: 18 °F
Partly Cloudy
Sunday
High: 35 °F
Mostly Sunny
Sunday Night
Low: 25 °F
Partly Cloudy
Monday
High: 41 °F
Sunny

Detailed Forecast

Overnight

Snow showers. The snow could be heavy at times. Low around 23. Windy, with a south southwest wind 26 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Friday

Snow showers. The snow could be heavy at times. High near 28. Windy, with a south wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Saturday

A 20 percent chance of snow showers. Mostly sunny, with a high near 29. West northwest wind 8 to 10 mph.

Saturday Night

Partly cloudy, with a low around 18. North northwest wind 11 to 13 mph.

Sunday

Mostly sunny, with a high near 35. North northwest wind 6 to 14 mph.

Sunday Night

Partly cloudy, with a low around 25.

Monday

Sunny, with a high near 41.

Monday Night

Partly cloudy, with a low around 31.