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

5 Miles SSW 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

Tonight
Low: 39 °F
Clear
Tuesday
High: 66 °F
Increasing
Clouds
Tuesday Night
Low: 46 °F
Chance Rain
Wednesday
High: 58 °F
Rain
Wednesday Night
Low: 48 °F
Rain
New Year's Day
High: 60 °F
Rain
Thursday Night
Low: 50 °F
Rain Likely
Friday
High: 61 °F
Rain Likely
Friday Night
Low: 45 °F
Rain

Detailed Forecast

Tonight

Clear, with a low around 39. East wind 3 to 5 mph.

Tuesday

Increasing clouds, with a high near 66. East wind 5 to 7 mph becoming south in the afternoon.

Tuesday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 46. East wind around 9 mph.

Wednesday

Rain, mainly after 10am. High near 58. East southeast wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 48. Southeast wind 10 to 13 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 60. 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. Cloudy, with a high near 61.

Friday Night

Rain. Mostly cloudy, with a low around 45.

Saturday

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

Saturday Night

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