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

54°F

12°C

Humidity 46%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 22 Jan 02:28 AM PST
Extended Forecast for

2 Miles NNW San Ramon CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 64. Light west wind.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Areas Dense
    Fog then
    Sunny

  • Friday Night

    Friday Night: Patchy fog. Otherwise, mostly clear, with a low around 40. Light north northwest wind.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

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

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Patchy Frost
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 46. Calm wind.
Thursday
Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 64. Light west wind.
Thursday Night
Patchy fog. Otherwise, increasing clouds, with a low around 43. Calm wind.
Friday
Areas of dense fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Light and variable wind.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 40. Light north northwest wind.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Patchy frost before 8am. Otherwise, partly sunny, with a high near 58.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Tuesday
Areas of fog. Otherwise, partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW San Ramon CA
 37.77°N 121.98°W (Elev. 518 ft)
Last Update:
1:13 am PST Jan 22, 2026
Forecast Valid:
2am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
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