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

Mount Hamilton CA

Cold Weather Advisory December 30, 01:00am until December 30, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Overnight
Low: 47 °F
Clear
Tuesday
High: 59 °F
Increasing
Clouds
Tuesday Night
Low: 53 °F
Chance Rain
Wednesday
High: 52 °F
Rain
Wednesday Night
Low: 47 °F
Rain
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 50 °F
Rain Likely
Friday
High: 53 °F
Rain Likely
Friday Night
Low: 44 °F
Rain

Detailed Forecast

Overnight

Clear, with a steady temperature around 47. East southeast wind around 6 mph.

Tuesday

Increasing clouds, with a high near 59. Southeast wind 3 to 8 mph.

Tuesday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a steady temperature around 53. East southeast wind around 8 mph.

Wednesday

Rain, mainly after 10am. High near 52. East southeast wind 8 to 10 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 11 to 13 mph, with gusts as high as 21 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.