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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

57°F

14°C

Humidity 35%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 21 Jan 11:28 PM PST
Extended Forecast for

3 Miles W Danville CA

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 49. Light west wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog between 9am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 43. South southwest wind around 6 mph.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 55 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. North wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 49. Light west wind.
Thursday
Patchy fog between 9am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 43. South southwest wind around 6 mph.
Friday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 55. Light and variable wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 41. North wind 3 to 6 mph.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Danville CA
 37.83°N 122.05°W (Elev. 1319 ft)
Last Update:
2:22 pm PST Jan 21, 2026
Forecast Valid:
11pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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