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

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 >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

55°F

13°C

Humidity 55%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 07 Jan 04:00 PM PST
Extended Forecast for

14 Miles SW Keyes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West northwest wind 6 to 9 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Areas of frost before 9am. Otherwise, mostly sunny, with a high near 51.

    High: 51 °F

    Areas Frost
    and Patchy
    Fog then
    Mostly 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 51.

    High: 51 °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 42. West northwest wind 6 to 9 mph.
Thursday
Sunny, with a high near 52. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 35. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 49. Light and variable wind.
Friday Night
Patchy fog before 4am, then patchy fog after 5am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. Calm wind.
Saturday
Patchy fog before 8am. Areas of frost before 9am. Otherwise, mostly sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 55.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 39.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 55.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Keyes CA
 37.44°N 121.09°W (Elev. 105 ft)
Last Update:
1:20 pm PST Jan 7, 2026
Forecast Valid:
4pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
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