
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
45°F
7°C
| Humidity | 68% |
| Wind Speed | N 8 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Wind Chill | 41°F (5°C) |
| Last update | 20 Feb 11:28 AM PST |
Extended Forecast for
Brentwood CA
Cold Weather Advisory February 21, 01:00am until February 21, 09:00am
Today

High: 52 °F
Partly Sunny
Tonight

Low: 35 °F
Mostly Clear
then Areas
FrostSaturday

High: 59 °F
Decreasing
CloudsSaturday Night

Low: 40 °F
Partly Cloudy
Sunday

High: 65 °F
Partly Sunny
Sunday Night

Low: 44 °F
Mostly Cloudy
Monday

High: 65 °F
Mostly Cloudy
Monday Night

Low: 54 °F
Chance Rain
Tuesday

High: 59 °F
Rain
Detailed Forecast
Today
Partly sunny, with a high near 52. Light east southeast wind.
Tonight
Areas of frost before 2am, then areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Southeast wind 3 to 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 40. Southeast wind around 8 mph.
Sunday
Partly sunny, with a high near 65. Southeast wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 65.
Monday Night
A chance of rain. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 53.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Partly sunny, with a high near 66.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Brentwood CA
37.93°N 121.7°W (Elev. 75 ft)
37.93°N 121.7°W (Elev. 75 ft)
11:40 am PST Feb 20, 2026
11am PST Feb 20, 2026-6pm PST Feb 26, 2026



