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 16 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	31 Dec 11:01 PM PST

More Information:

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

Extended Forecast for

8 Miles NNE Hopland CA

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

Click here for hazard details and duration

Flood Watch

Tonight
Low: 46 °F
Rain
New Year's Day
High: 52 °F
Rain
Thursday Night
Low: 48 °F
Rain
Friday
High: 53 °F
Rain and
Breezy
Friday Night
Low: 48 °F
Heavy Rain
and Windy
Saturday
High: 53 °F
Rain and
Windy
Saturday Night
Low: 47 °F
Rain and
Breezy
Sunday
High: 51 °F
Rain
Sunday Night
Low: 46 °F
Rain

Detailed Forecast

Tonight

Rain. Low around 46. East southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 52. South southeast wind 8 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 48. South southeast wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. High near 53. Breezy, with a southeast wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain. The rain could be heavy at times. Low around 48. Windy, with a south wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Saturday

Rain. High near 53. Windy, with a south wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Saturday Night

Rain. Low around 47. 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 51.

Sunday Night

Rain. Cloudy, with a low around 46.

Monday

Rain. Mostly cloudy, with a high near 49.

Monday Night

Rain likely. Mostly cloudy, with a low around 44.

Tuesday

A chance of rain. Mostly sunny, with a high near 48.