Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

70°F

21°C

Humidity 48%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 13 Mar 03:28 PM PDT
Extended Forecast for

Walnut Creek CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South southwest wind around 6 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. South southwest wind around 6 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 56. North northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 90.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut Creek CA
 37.9°N 122.07°W (Elev. 203 ft)
1:54 pm PDT Mar 13, 2026
4pm PDT Mar 13, 2026-6pm PDT Mar 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database