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 >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

51°F

11°C

Humidity 85%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 07 Jan 04:28 PM PST
Extended Forecast for

4 Miles WSW Danville 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 40. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. North wind around 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. North wind around 7 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Northeast wind around 8 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. East northeast wind 3 to 5 mph.

    Low: 34 °F

    Clear then
    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 54.

    High: 54 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • 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 40. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 52. North wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 36. North wind around 7 mph.
Friday
Sunny, with a high near 51. Northeast wind around 8 mph.
Friday Night
Patchy frost after 1am. Otherwise, mostly clear, with a low around 34. East northeast wind 3 to 5 mph.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Danville CA
 37.78°N 122.07°W (Elev. 994 ft)
Last Update:
12:26 pm PST Jan 7, 2026
Forecast Valid:
5pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation