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.

29°F

-2°C

Humidity	99%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	18 Feb 09:10 AM PST

More Information:

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

Extended Forecast for

5 Miles SW Brentwood CA

Today
High: 48 °F
Chance Rain
Tonight
Low: 40 °F
Chance Rain
then Rain
Thursday
High: 47 °F
Rain then
Chance Rain
Thursday Night
Low: 33 °F
Slight Chance
Rain then
Frost
Friday
High: 49 °F
Frost then
Mostly Sunny
Friday Night
Low: 37 °F
Mostly Cloudy
Saturday
High: 54 °F
Chance Rain
Saturday Night
Low: 46 °F
Rain Likely
Sunday
High: 59 °F
Rain Likely

Detailed Forecast

Today

A 50 percent chance of rain before 4pm. Partly sunny, with a high near 48. West southwest wind 5 to 13 mph becoming south southeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Rain, mainly after 1am. Low around 40. Southeast wind 6 to 11 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.

Thursday

Rain, mainly before 10am. High near 47. Light west northwest wind becoming west 12 to 17 mph in the morning. Winds could gust as high as 29 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 6 to 10 mph, with gusts as high as 20 mph.

Friday

Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 49. Light and variable wind becoming east northeast around 5 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 37.

Saturday

A 30 percent chance of rain, mainly after 4pm. Patchy frost before 7am. Otherwise, partly sunny, with a high near 54.

Saturday Night

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

Sunday

Rain likely. Mostly cloudy, with a high near 59.

Sunday Night

Rain. Cloudy, with a low around 52.

Monday

Rain. Cloudy, with a high near 59.