Los Angeles County Mountains excluding the Santa Monica Range Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Heat Advisory
Issued: 2:39 AM PDT Jun. 26, 2017 – National Weather Service

... Heat advisory remains in effect until 9 PM PDT this evening...

* temperatures... Max temperatures will range from the lower 90s
to around 103 degrees across lower elevations Monday.

* Impacts... the very high temperatures will create a dangerous
situation in which there is an increased threat of heat
related illnesses. Temperatures inside vehicles, even if the
windows are partially open, can quickly rise to life-
threatening levels. The extended heat wave will also bring
elevated fire danger through the weekend.

Precautionary/preparedness actions...

A heat advisory means that a period of hot temperatures is
expected. The combination of hot temperatures and high humidity
will combine to create a situation in which heat illnesses are
possible. Drink plenty of fluids, stay in an air-conditioned
room, stay out of the sun, and check up on relatives and


Fire Weather Warning
Issued: 8:37 PM PDT Jun. 25, 2017 – National Weather Service

... Red flag warning in effect from 9 am to 9 PM PDT Monday for
wind and low relative humidity for the Antelope Valley...

The National Weather Service in Los Angeles/Oxnard has issued a
red flag warning for wind and low relative humidity for the
Antelope Valley. This warning is in effect from 9 am to 9 PM PDT

* Winds... southwest winds will increase to 15 to 30 mph with gusts
to 40 mph on Monday morning and remain gusty through Monday
evening. Winds may be locally stronger near the foothills of
the Antelope Valley.

* Relative humidity... humidities will fall to generally between 3
to 10 percent on Monday and remain below critical humidity
through Monday evening.

* Impacts... if fire ignition occurs, conditions are favorable for
extreme fire behavior which would threaten life and property.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are either occurring now... .or will shortly. A combination of
strong winds... low relative humidity... and warm temperatures can
contribute to extreme fire behavior.