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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday 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

41°F

5°C

Humidity 77%
Wind Speed S 19 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 19 Feb 06:28 PM PST
Extended Forecast for

3 Miles SSE Pittsburg CA

Extreme Cold Warning February 20, 01:00am until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  • Tonight

    Tonight: Patchy frost after 2am.  Otherwise, mostly clear, with a low around 33. West southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am.  Otherwise, mostly sunny, with a high near 49. Light and variable wind becoming east southeast around 5 mph in the morning.

    High: 49 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy frost after 5am.  Otherwise, partly cloudy, with a low around 35. Southeast wind around 6 mph.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am.  Otherwise, partly sunny, with a high near 55. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 43. South southeast wind 10 to 13 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain.  Partly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Rain

Detailed Forecast

Tonight
Patchy frost after 2am. Otherwise, mostly clear, with a low around 33. West southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 49. Light and variable wind becoming east southeast around 5 mph in the morning.
Friday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 35. Southeast wind around 6 mph.
Saturday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 55. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 43. South southeast wind 10 to 13 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 49.
Monday
A chance of rain. Mostly cloudy, with a high near 64.
Monday Night
Rain. Mostly cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain. Cloudy, with a low around 52.
Wednesday
Rain likely. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
A chance of rain. Mostly sunny, with a high near 63.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
12:26 pm PST Feb 19, 2026
7pm PST Feb 19, 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