Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

42°F

6°C

Humidity	100%
Wind Speed	ESE 14 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	01 Jan 01:01 AM PST

More Information:

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

Extended Forecast for

10 Miles NNW Lakeport CA

Flood Watch January 2, 04:00pm until January 4, 10:00pm

Click here for hazard details and duration

Flood Watch

Overnight
Low: 44 °F
Rain
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 45 °F
Rain
Friday
High: 54 °F
Rain and
Breezy
Friday Night
Low: 45 °F
Rain and
Breezy
Saturday
High: 54 °F
Showers and
Breezy
Saturday Night
Low: 43 °F
Rain and
Breezy
Sunday
High: 52 °F
Rain
Sunday Night
Low: 40 °F
Rain

Detailed Forecast

Overnight

Rain. Low around 44. Southeast wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 54. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain, mainly before 1am. Low around 45. Southeast wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain. High near 54. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain. Low around 45. Breezy, with a south wind around 20 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Saturday

Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 54. Breezy, with a south wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Rain. Low around 43. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday

Rain. Cloudy, with a high near 52.

Sunday Night

Rain. Cloudy, with a low around 40.

Monday

Rain. Mostly cloudy, with a high near 50.

Monday Night

Rain likely. Mostly cloudy, with a low around 36.

Tuesday

A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 53.