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

45°F

7°C

Humidity 43%
Wind Speed ESE 8 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 10 Jan 01:28 AM PST
Extended Forecast for

Walnut Creek CA

Cold Weather Advisory until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 10, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 37 °F

    Patchy Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, partly sunny, with a high near 54. North northeast wind 5 to 7 mph.

    High: 54 °F

    Patchy Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Light east northeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Northeast wind 3 to 6 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy frost. Otherwise, partly cloudy, with a steady temperature around 37. Light northeast wind.
Saturday
Patchy frost before 8am. Otherwise, partly sunny, with a high near 54. North northeast wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 38. Light east northeast wind.
Sunday
Mostly sunny, with a high near 57. Northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 63.
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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 10, 2026
Forecast Valid:
2am PST Jan 10, 2026-6pm PST Jan 16, 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