Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. 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 / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

45°F

7°C

Humidity	70%
Wind Speed	N 0 MPH
Barometer	30.24 in (1024.04 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	29 Dec 09:55 PM PST

More Information:

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

Extended Forecast for

6 Miles NNW Mount Hamilton 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: 41 °F
Mostly Clear
Tuesday
High: 58 °F
Partly Sunny
Tuesday Night
Low: 49 °F
Mostly Cloudy
then Chance
Rain
Wednesday
High: 53 °F
Rain
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 54 °F
Rain then
Rain Likely
Thursday Night
Low: 50 °F
Rain Likely
Friday
High: 53 °F
Rain Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 41. East wind around 7 mph.

Tuesday

Partly sunny, with a high near 58. Southeast wind 5 to 9 mph becoming light east southeast in the afternoon.

Tuesday Night

A 30 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 49. East wind around 8 mph.

Wednesday

Rain, mainly after 10am. High near 53. East southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 47. South southeast wind around 11 mph, with gusts as high as 20 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 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

Friday

Rain likely. Mostly cloudy, with a high near 53.

Friday Night

Rain. Mostly cloudy, with a low around 44.

Saturday

Rain likely. Mostly cloudy, with a high near 50.

Saturday Night

Rain likely. Mostly cloudy, with a low around 42.