Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

55°F

13°C

Humidity 62%
Wind Speed N 10 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 18 Jan 10:28 AM PST
Extended Forecast for

Pittsburg CA

  • Today

    Today: Partly sunny, with a high near 59. East wind around 6 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Patchy dense fog between 9am and 11am.  Otherwise, mostly sunny, with a high near 58. East wind 3 to 6 mph.

    High: 58 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Northeast wind around 7 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. East wind around 6 mph.
Tonight
Partly cloudy, with a low around 42. Calm wind.
M.L.King Day
Patchy dense fog between 9am and 11am. Otherwise, mostly sunny, with a high near 58. East wind 3 to 6 mph.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 42. Light east northeast wind.
Tuesday
Partly sunny, with a high near 60. Northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly cloudy, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 45.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 44.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
11:07 am PST Jan 18, 2026
11am PST Jan 18, 2026-6pm PST Jan 24, 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