Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

64°F

18°C

Humidity 47%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 14 Mar 12:28 PM PDT
Extended Forecast for

Pittsburg CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 79. West northwest wind around 7 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. North wind 6 to 8 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. West northwest wind around 7 mph.
Tonight
Mostly clear, with a low around 54. West wind around 7 mph.
Sunday
Mostly sunny, with a high near 84. North wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 94.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.02°N 121.87°W (Elev. 30 ft)
1:28 am PDT Mar 14, 2026
1pm PDT Mar 14, 2026-6pm PDT Mar 20, 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