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 06:40 AM PST

More Information:

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

Extended Forecast for

7 Miles SSW Brentwood CA

Today
High: 46 °F
Chance Rain
Tonight
Low: 42 °F
Chance Rain
then Rain
Thursday
High: 45 °F
Rain then
Chance Rain
Thursday Night
Low: 33 °F
Slight Chance
Rain then
Frost
Friday
High: 47 °F
Frost then
Mostly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
then Patchy
Frost
Saturday
High: 52 °F
Slight Chance
Rain
Saturday Night
Low: 46 °F
Chance Rain
Sunday
High: 57 °F
Rain Likely

Detailed Forecast

Today

A chance of rain between 7am and 4pm. Partly sunny, with a high near 46. Southwest wind 7 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly after 1am. Steady temperature around 42. South southeast wind 5 to 13 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.

Thursday

Rain, mainly before 10am. High near 45. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

A 20 percent chance of rain before 10pm. Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.

Friday

Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 47. South southeast wind around 5 mph becoming east northeast in the afternoon.

Friday Night

Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37.

Saturday

A 20 percent chance of rain after 10am. Patchy frost before 7am. Otherwise, partly sunny, with a high near 52.

Saturday Night

A chance of rain. Mostly cloudy, with a low around 46.

Sunday

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

Sunday Night

Rain. Cloudy, with a low around 52.

Monday

Rain. Mostly cloudy, with a high near 58.