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

Watsonville, Watsonville Municipal Airport (KWVI)

Lat: 36.93944°NLon: 121.78889°WElev: 161.0ft.

Clear

90°F

32°C

Humidity 33%
Wind Speed SW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Mar 02:30 PM PDT
Extended Forecast for

Elkhorn CA

Heat Advisory March 20, 02:50pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 20, 02:50pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Southwest wind 6 to 8 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71. East southeast wind 5 to 9 mph becoming northwest in the morning.

    High: 71 °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 73.

    High: 73 °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 87. West wind around 7 mph.
Tonight
Partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 72. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 48. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 71. East southeast wind 5 to 9 mph becoming northwest in the morning.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elkhorn CA
 36.81°N 121.74°W (Elev. 10 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