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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

41°F

5°C

Humidity 45%
Wind Speed E 24 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 09 Jan 05:28 AM PST
Extended Forecast for

Walnut Creek CA

Cold Weather Advisory January 9, 06:02am until January 9, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 9, 06:02am until January 9, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Today

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35. Light east northeast wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. East northeast wind around 6 mph.

    High: 54 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Light east northeast wind.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. Northeast wind 3 to 6 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 53. North northeast wind 5 to 7 mph.
Tonight
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 35. Light east northeast wind.
Saturday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 54. East northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 37. Light east northeast wind.
Sunday
Partly sunny, with a high near 56. Northeast wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
Last Update:
12:26 am PST Jan 9, 2026
Forecast Valid:
6am PST Jan 9, 2026-6pm PST Jan 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation