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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

42°F

6°C

Humidity 49%
Wind Speed E 17 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 09 Jan 12:28 AM PST
Extended Forecast for

3 Miles WNW San Ramon CA

Cold Weather Advisory until January 9, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 9, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 52. North northeast wind around 7 mph.

    High: 52 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Patchy frost after 11pm. Otherwise, mostly clear, with a low around 34. East northeast wind around 5 mph.

    Low: 34 °F

    Patchy Frost

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53. East northeast wind around 6 mph.

    High: 53 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. East northeast wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy frost between 7am and 8am. Otherwise, partly sunny, with a high near 55.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Frost
    then Sunny

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 38. Northeast wind around 6 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 52. North northeast wind around 7 mph.
Friday Night
Patchy frost after 11pm. Otherwise, mostly clear, with a low around 34. East northeast wind around 5 mph.
Saturday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 53. East northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 36. East northeast wind 3 to 5 mph.
Sunday
Patchy frost between 7am and 8am. Otherwise, partly sunny, with a high near 55.
Sunday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW San Ramon CA
 37.77°N 122.01°W (Elev. 814 ft)
Last Update:
12:26 am PST Jan 9, 2026
Forecast Valid:
1am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation