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 >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

37°F

3°C

Humidity 75%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 20 Feb 07:28 AM PST
Extended Forecast for

2 Miles NNW Discovery Bay CA

Extreme Cold Warning until February 20, 09:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning until February 20, 09:00am

    NOW until 9:00am Fri

    Extreme Cold Warning

  • Today

    High: 52 °F

    Areas Frost
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy frost after midnight.  Otherwise, partly cloudy, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 59. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 59 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am.  Partly cloudy, with a low around 42. South southeast wind around 7 mph.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 65. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 53.

    Low: 53 °F

    Rain Likely

Detailed Forecast

Today
Areas of frost before 9am. Otherwise, partly sunny, with a high near 52. Calm wind becoming east southeast around 5 mph.
Tonight
Patchy frost after midnight. Otherwise, partly cloudy, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 59. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 42. South southeast wind around 7 mph.
Sunday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 65. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Rain likely, mainly after 4am. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 59.
Tuesday Night
Rain likely. Cloudy, with a low around 52.
Wednesday
A chance of rain. Cloudy, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Discovery Bay CA
 37.92°N 121.61°W (Elev. 7 ft)
12:32 am PST Feb 20, 2026
8am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database