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

Coastal Flood Advisory in effect from December 31, 05:00 AM PST until January 4, 02:00 PM PST

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

Clear

63°F

17°C

Humidity	33%
Wind Speed	ENE 10 MPH
Barometer	30.13 in (1020.32 mb)
Dewpoint	34°F (1°C)
Visibility	9.00 mi
Last update	30 Dec 11:55 AM PST

More Information:

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

Extended Forecast for

2 Miles S Pacifica CA

Coastal Flood Advisory December 31, 05:00am until January 4, 02:00pm

Click here for hazard details and duration

Coastal Flood Advisory

This Afternoon
High: 54 °F
Mostly Cloudy
Tonight
Low: 48 °F
Chance Rain
Wednesday
High: 56 °F
Rain
Wednesday Night
Low: 50 °F
Rain
New Year's Day
High: 60 °F
Rain
Thursday Night
Low: 55 °F
Rain
Friday
High: 60 °F
Rain and
Windy
Friday Night
Low: 51 °F
Rain and
Breezy
Saturday
High: 58 °F
Rain

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 54. East wind around 14 mph, with gusts as high as 18 mph.

Tonight

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. East wind 11 to 14 mph, with gusts as high as 20 mph.

Wednesday

Rain, mainly after 10am. High near 56. East wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Low around 50. East wind around 10 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 60. South wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain. Low around 55. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain. High near 60. Windy. Chance of precipitation is 90%.

Friday Night

Rain. Cloudy, with a low around 51. Breezy.

Saturday

Rain. Mostly cloudy, with a high near 58.

Saturday Night

Rain likely. Mostly cloudy, with a low around 49.

Sunday

Rain likely. Mostly cloudy, with a high near 57.