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

36°F

2°C

Humidity 85%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 20 Feb 04:28 AM PST
Extended Forecast for

3 Miles SSE Pittsburg CA

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

    NOW until 9:00am Fri

    Extreme Cold Warning

  • Overnight

    Low: 33 °F

    Areas Frost

  • Friday

    Friday: Areas of frost before 8am.  Otherwise, partly sunny, with a high near 49. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 49 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy frost after 2am.  Otherwise, partly cloudy, with a low around 35. Southeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am.  Otherwise, mostly sunny, with a high near 56. East southeast wind around 9 mph.

    High: 56 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am.  Partly cloudy, with a low around 43. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Monday

    Monday: A chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of frost. Otherwise, partly cloudy, with a low around 33. Southwest wind around 5 mph.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 49. Light and variable wind becoming northeast around 6 mph in the morning.
Friday Night
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. Southeast wind around 6 mph.
Saturday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 56. East southeast wind around 9 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Partly cloudy, with a low around 43. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 63.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 47.
Monday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 62.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 53.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain. Cloudy, with a low around 52.
Wednesday
A chance of rain. Cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Thursday
A chance of rain. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
12:32 am PST Feb 20, 2026
5am 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