Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

57°F

14°C

Humidity 39%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 19 Jan 02:28 AM PST
Extended Forecast for

3 Miles N Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Light east wind.

    Low: 42 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 60. Northeast wind 5 to 7 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 38. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. Northeast wind around 8 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Light east northeast wind.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Light east wind.
M.L.King Day
Mostly sunny, with a high near 60. Northeast wind 5 to 7 mph.
Monday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 38. Calm wind becoming east northeast around 5 mph after midnight.
Tuesday
Partly sunny, with a high near 60. Northeast wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Light east northeast wind.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Clayton CA
 37.98°N 121.95°W (Elev. 719 ft)
12:26 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database