Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

54°F

12°C

Humidity 55%
Wind Speed ENE 16 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 29 Jan 04:28 PM PST
Extended Forecast for

2 Miles NNW San Ramon CA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Light east northeast wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. East northeast wind 3 to 5 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 65. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 43. Light east northeast wind.
Saturday
Partly sunny, with a high near 66. East northeast wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 44. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 64.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW San Ramon CA
 37.77°N 121.98°W (Elev. 518 ft)
12:27 pm PST Jan 29, 2026
5pm PST Jan 29, 2026-6pm PST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database