Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from December 30, 01:00 AM PST until December 30, 09:00 AM PST

Current conditions at

ARROYO SECO (ASRC1)

Lat: 36.23548°NLon: 121.47988°WElev: 879.0ft.

42°F

6°C

Humidity	71%
Wind Speed	SSW 3 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	30 Dec 05:04 AM PST

More Information:

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

Extended Forecast for

6 Miles ENE Arroyo Seco CA

Cold Weather Advisory until December 30, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory until December 30, 09:00am
NOW until 9:00am Tue
Cold Weather Advisory
Overnight
Low: 44 °F
Partly Cloudy
Tuesday
High: 65 °F
Increasing
Clouds
Tuesday Night
Low: 49 °F
Slight Chance
Rain then
Rain Likely
Wednesday
High: 58 °F
Rain
Wednesday Night
Low: 51 °F
Rain and
Patchy Fog
New Year's Day
High: 62 °F
Rain and
Patchy Fog
Thursday Night
Low: 53 °F
Rain Likely
and Patchy
Fog
Friday
High: 62 °F
Showers and
Patchy Fog

Detailed Forecast

Overnight

Partly cloudy, with a low around 44. Light northeast wind.

Tuesday

Increasing clouds, with a high near 65. East wind 3 to 7 mph.

Tuesday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 49. Calm wind becoming east northeast around 5 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain. High near 58. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Patchy fog after 3am. Low around 51. East wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. Patchy fog before 10am. High near 62. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 53. Chance of precipitation is 70%.

Friday

Rain likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 62.

Friday Night

Rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46.

Saturday

Rain likely. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60.

Saturday Night

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

Sunday

A chance of rain. Partly sunny, with a high near 60.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 44.

Monday

A chance of rain. Partly sunny, with a high near 62.