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

80°F

27°C

Humidity 37%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index80°F (27°C)
Last update 20 Mar 05:28 PM PDT
Extended Forecast for

3 Miles W Danville CA

Heat Advisory March 20, 06:28pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 06:28pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Southwest wind 5 to 7 mph becoming west northwest in the morning.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind around 9 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

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

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 56. West wind 6 to 8 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 50. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 74. Southwest wind 5 to 7 mph becoming west northwest in the morning.
Sunday Night
Mostly clear, with a low around 48. Southwest wind around 9 mph.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Danville CA
 37.83°N 122.05°W (Elev. 1319 ft)
2:07 pm PDT Mar 20, 2026
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 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