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

Hazardous Weather Conditions

Current conditions at

Los Alamitos Army Airfield (KSLI)

Lat: 33.79628°NLon: 118.04179°WElev: 26.0ft.

Partly Cloudy

75°F

24°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 08 Sep 03:55 AM PDT
Extended Forecast for

Cypress CA

Heat Advisory September 9, 08:00pm until September 10, 08:00pm
Extreme Heat Warning September 8, 04:20am until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Extreme Heat Warning September 8, 04:20am until September 9, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Today

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 97 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 75. West wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 97. Heat index values as high as 107. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Thursday
Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 82.
Sunday Night
Clear, with a low around 66.
Monday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cypress CA
 33.83°N 118.03°W (Elev. 3 ft)
Last Update:
4:14 am PDT Sep 8, 2026
Forecast Valid:
4am PDT Sep 8, 2026-6pm PDT Sep 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation