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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

52°F

11°C

Humidity 44%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 13 Jan 06:28 AM PST
Extended Forecast for

Bethel Island CA

Cold Weather Advisory until January 13, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 13, 09:00am

    NOW until 9:00am Tue

    Cold Weather Advisory

  • Today

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. North northeast wind 3 to 6 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Light east northeast wind.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Northeast wind 3 to 6 mph.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 56. Light and variable wind becoming northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 39. Light and variable wind.
Wednesday
Mostly sunny, with a high near 57. North northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 40. Light east northeast wind.
Thursday
Mostly sunny, with a high near 59. Northeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
M.L.King Day
Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
Last Update:
12:26 am PST Jan 13, 2026
Forecast Valid:
6am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation