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Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

58°F

14°C

Humidity 65%
Wind Speed W 14 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 15 Apr 01:28 PM PDT
Extended Forecast for

Walnut Creek CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. North wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46. North wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 75. North wind 3 to 6 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. Partly sunny, with a high near 72.

    High: 72 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 69. West southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 70. North wind 5 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Clear, with a low around 46. North wind 6 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 75. North wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
A chance of rain, mainly after 11am. Partly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 67.
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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:
2:12 pm PDT Apr 15, 2026
Forecast Valid:
2pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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