Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

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

27°F

-3°C

Humidity	98%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Last update	18 Feb 06:05 AM PST

More Information:

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

Extended Forecast for

4 Miles SSE Clayton CA

Today
High: 39 °F
Chance Snow
Tonight
Low: 37 °F
Chance Snow
then
Rain/Snow
Thursday
High: 37 °F
Breezy.
Rain/Snow
then Chance
Snow
Thursday Night
Low: 33 °F
Slight Chance
Snow then
Mostly Clear
Friday
High: 43 °F
Mostly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
then Slight
Chance Snow
Saturday
High: 49 °F
Slight Chance
Rain/Snow
then Chance
Rain
Saturday Night
Low: 46 °F
Rain and
Breezy
Sunday
High: 55 °F
Rain and
Breezy

Detailed Forecast

Today

A chance of snow between 7am and 4pm. Partly sunny, with a high near 39. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain and snow. Steady temperature around 37. Southwest wind 5 to 14 mph becoming south southeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Thursday

Rain and snow, becoming all snow after 7am. Steady temperature around 37. Breezy, with a west wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Thursday Night

A 20 percent chance of snow before 10pm. Mostly clear, with a low around 33. West wind 10 to 18 mph, with gusts as high as 33 mph.

Friday

Mostly sunny, with a high near 43. East northeast wind around 7 mph.

Friday Night

A 10 percent chance of snow after 4am. Mostly cloudy, with a low around 37.

Saturday

A slight chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 49. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 46. Breezy.

Sunday

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

Sunday Night

Rain. Cloudy, with a low around 52. Breezy.

Monday

Rain. Cloudy, with a high near 57. Breezy.

Monday Night

Rain. Cloudy, with a low around 50.

Tuesday

Rain. Mostly cloudy, with a high near 54.