Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

46°F

8°C

Humidity	43%
Wind Speed	N 14 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	23 Jan 05:20 PM PST

More Information:

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

Extended Forecast for

7 Miles ENE Danville CA

Tonight
Low: 41 °F
Mostly Clear
then Mostly
Clear and
Breezy
Saturday
High: 54 °F
Sunny and
Breezy then
Sunny
Saturday Night
Low: 40 °F
Increasing
Clouds
Sunday
High: 52 °F
Mostly Cloudy
Sunday Night
Low: 42 °F
Mostly Cloudy
Monday
High: 55 °F
Mostly Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 56 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 41. Breezy, with a north wind 9 to 14 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 34 mph.

Saturday

Sunny, with a high near 54. Breezy, with a north northeast wind 18 to 26 mph, with gusts as high as 38 mph.

Saturday Night

Increasing clouds, with a low around 40. North wind 8 to 17 mph, with gusts as high as 25 mph.

Sunday

Mostly cloudy, with a high near 52. East northeast wind around 7 mph.

Sunday Night

Mostly cloudy, with a low around 42. Northeast wind around 8 mph.

Monday

Mostly sunny, with a high near 55.

Monday Night

Mostly clear, with a low around 42.