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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

52°F

11°C

Humidity 100%
Wind Speed WSW 18 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 17 Jun 05:28 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 80. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 78. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 76. West southwest wind 7 to 10 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 80. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 56. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 78. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 56. West southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Juneteenth
Sunny, with a high near 76. West southwest wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.04°W (Elev. 220 ft)
Last Update:
5:52 am PDT Jun 17, 2026
Forecast Valid:
5am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation