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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

79°F

26°C

Humidity 29%
Wind Speed ENE 12 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Heat Index79°F (26°C)
Last update 20 Mar 01:28 PM PDT
Extended Forecast for

2 Miles E Walnut Creek CA

Heat Advisory March 20, 02:34pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 02:34pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Southwest wind 5 to 9 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 93. North northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 55. South southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 83. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 49. Southwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Walnut Creek CA
 37.9°N 122.04°W (Elev. 220 ft)
Last Update:
2:07 pm PDT Mar 20, 2026
Forecast Valid:
2pm PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation