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Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

53°F

12°C

Humidity 68%
Wind Speed S 18 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 07 Jan 02:28 PM PST
Extended Forecast for

2 Miles SSE Bethel Island CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. North northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Patchy frost before 7am. Otherwise, sunny, with a high near 50. East northeast wind around 6 mph.

    High: 50 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Light east wind.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. West wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 53. North northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 36. North northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
Patchy frost before 7am. Otherwise, sunny, with a high near 50. East northeast wind around 6 mph.
Friday Night
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 34. Light east wind.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Bethel Island CA
 38.01°N 121.64°W (Elev. 3 ft)
Last Update:
12:26 pm PST Jan 7, 2026
Forecast Valid:
3pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
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Additional Resources

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