Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

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

Clear

46°F

8°C

Humidity 87%
Wind Speed SSE 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Mar 05:35 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. Light and variable wind.
Thursday
Sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.92°N 122.05°W (Elev. 197 ft)
2:53 am PDT Mar 11, 2026
5am PDT Mar 11, 2026-6pm PDT Mar 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database