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

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

36°F

2°C

Humidity	100%
Wind Speed	WSW 17 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Wind Chill	26°F (-3°C)
Last update	24 Dec 06:36 AM PST

More Information:

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

Extended Forecast for

13 Miles NNE Lakeport CA

Flood Watch December 24, 07:33am until December 26, 10:00pm

High Wind Watch December 25, 12:00am until December 25, 07:00pm

Click here for hazard details and duration

Flood Watch

High Wind Watch

Flood Watch December 24, 07:33am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 43 °F
Rain then
Chance Rain
Tonight
Low: 38 °F
Rain and Very
Windy
Christmas Day
High: 42 °F
Rain/Snow and
Very Windy
Thursday Night
Low: 38 °F
Windy.
Rain/Snow
then Rain
Friday
High: 43 °F
Showers and
Windy
Friday Night
Low: 38 °F
Rain/Snow
Likely and
Breezy
Saturday
High: 43 °F
Slight Chance
Rain/Snow
then Sunny
Saturday Night
Low: 35 °F
Mostly Clear

Detailed Forecast

Today

Rain, mainly before 10am. Steady temperature around 43. Southwest wind around 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 38. Very windy, with a south southeast wind 21 to 26 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Christmas Day

Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow after 4pm. Some thunder is also possible. High near 42. Very windy, with a south wind 24 to 34 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain and snow, becoming all rain after 7pm. Low around 38. Windy, with a south wind 24 to 26 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday

Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 43. Windy, with a south wind 18 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Rain and snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 38. Breezy, with an east southeast wind 13 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A slight chance of rain and snow showers before 10am. Mostly sunny, with a high near 43. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 35.

Sunday

Sunny, with a high near 48.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 51.

Monday Night

Mostly clear, with a low around 41.