National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 79%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 14 Nov 08:28 PM PST
Extended Forecast for

3 Miles SSE Pittsburg CA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 53. Calm wind becoming south around 6 mph after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain before 2pm, then rain likely after 3pm. Increasing clouds, with a high near 62. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 49. West southwest wind around 7 mph becoming south southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain

  • Monday

    Monday: A 30 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 60. South southwest wind around 9 mph becoming west in the afternoon.

    High: 60 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West southwest wind 5 to 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 55. Windy.

    High: 55 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 45. Windy.

    Low: 45 °F

    Rain and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 53. Calm wind becoming south around 6 mph after midnight.
Sunday
A chance of rain before 2pm, then rain likely after 3pm. Increasing clouds, with a high near 62. South southeast wind 8 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 49. West southwest wind around 7 mph becoming south southeast after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 60. South southwest wind around 9 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 43. West southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 45. Breezy.
Wednesday
Rain. Cloudy, with a high near 55. Windy.
Wednesday Night
Rain. Cloudy, with a low around 45. Windy.
Thursday
Rain, mainly before 4pm. Mostly cloudy, with a high near 55. Windy.
Thursday Night
A chance of rain. Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
Last Update:
8:38 pm PST Nov 14, 2026
Forecast Valid:
9pm PST Nov 14, 2026-6pm PST Nov 21, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation