Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 89%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 28 Jan 02:28 PM PST
Extended Forecast for

3 Miles SSE Pittsburg CA

  • Tonight

    Tonight: Increasing clouds, with a low around 41. Northwest wind around 6 mph becoming light and variable  in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind becoming east around 6 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Light east wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. Northeast wind 3 to 7 mph.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. East wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 41. Northwest wind around 6 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 59. Calm wind becoming east around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. Light east wind.
Friday
Mostly cloudy, with a high near 59. Northeast wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 42. East wind around 6 mph.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 62.
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 Jan 28, 2026
3pm PST Jan 28, 2026-6pm PST Feb 4, 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