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

San Jose, San Jose International Airport (KSJC)

Lat: 37.35917°NLon: 121.92417°WElev: 59.0ft.

Clear

37°F

3°C

Humidity	80%
Wind Speed	N 0 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Last update	30 Dec 05:20 AM PST

More Information:

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

Extended Forecast for

4 Miles NNE Milpitas 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: 46 °F
Mostly Clear
Tuesday
High: 55 °F
Partly Sunny
Tuesday Night
Low: 51 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 53 °F
Rain Likely
and Patchy
Fog
Wednesday Night
Low: 49 °F
Rain
New Year's Day
High: 56 °F
Rain
Thursday Night
Low: 51 °F
Rain Likely
Friday
High: 55 °F
Rain Likely

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 46. East northeast wind around 7 mph.

Tuesday

Partly sunny, with a high near 55. East southeast wind around 7 mph becoming north northeast in the afternoon.

Tuesday Night

A 10 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 51. East northeast wind around 8 mph.

Wednesday

Rain likely, mainly after 10am. Patchy fog after 3pm. Otherwise, cloudy, with a high near 53. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 49. East southeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

New Year's Day

Rain. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

Friday

Rain likely. Mostly cloudy, with a high near 55.

Friday Night

Rain. Mostly cloudy, with a low around 47.

Saturday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 50.

Saturday Night

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