Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

57°F

14°C

Humidity 26%
Wind Speed ENE 16 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 17 Apr 11:28 AM PDT
Extended Forecast for

Walnut Creek CA

  • Today

    Today: Sunny, with a high near 74. North northeast wind around 6 mph becoming northwest in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. West wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 74. North northeast wind around 6 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 74. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 49.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Monday Night
Rain likely. Mostly cloudy, with a low around 51.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 64.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Wednesday
A chance of rain. Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 70.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
11:26 am PDT Apr 17, 2026
11am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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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