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

HOLLISTER (HSEC1)

Lat: 36.8422°NLon: 121.36216°WElev: 404.0ft.

NA

94°F

34°C

Humidity 23%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index91°F (33°C)
Last update 20 Mar 03:13 PM PDT
Extended Forecast for

4 Miles SE Hollister CA

Heat Advisory March 20, 04:05pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 04:05pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. West northwest wind 5 to 8 mph becoming south southwest after midnight.

    Low: 47 °F

    Mostly Clear

  • Sunday

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

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 47. West northwest wind 5 to 8 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 80. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hollister CA
 36.81°N 121.34°W (Elev. 600 ft)
2:07 pm PDT Mar 20, 2026
4pm 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