Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Arroyo Seco (CI114)

Lat: 36.359°NLon: 121.29°WElev: 235.0ft.

NA

N/A

Humidity 82%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 07 Mar 10:00 AM PST
Extended Forecast for

7 Miles SSW Greenfield CA

Heat Advisory March 17, 10:52am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 10:52am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Light north wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind.
Tonight
Mostly clear, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 92. Calm wind.
Wednesday Night
Clear, with a low around 58. Light north wind.
Thursday
Sunny, with a high near 93. Light and variable wind.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Greenfield CA
 36.22°N 121.28°W (Elev. 883 ft)
1:54 am PDT Mar 17, 2026
10am PDT Mar 17, 2026-6pm PDT Mar 23, 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