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

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Partly Cloudy

64°F

18°C

Humidity 48%
Wind Speed WSW 17 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 Apr 02:35 PM PDT
Extended Forecast for

2 Miles NNE Walnut Creek CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. West southwest wind around 8 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. South southwest wind 5 to 7 mph.

    Low: 44 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 68. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. West wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

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

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. West southwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 44. South southwest wind 5 to 7 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 68. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 46. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 70. West wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 21 mph.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A chance of rain. Partly sunny, with a high near 71.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
Last Update:
2:16 pm PDT Apr 14, 2026
Forecast Valid:
2pm PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation