« View county listExcessive Heat Warning
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista,
National City, San Diego, Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido,
El Cajon, San Marcos, La Mesa, Santee, Poway, Huntington Beach,
Costa Mesa, Santa Ana, Anaheim, Garden Grove, Irvine, Orange,
Fullerton, and Mission Viejo
107 PM PDT Sat Oct 21 2017
...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM MONDAY TO 8 PM PDT
The National Weather Service in San Diego has issued an Excessive
Heat Warning...which is in effect from 10 AM Monday to 8 PM PDT
Tuesday. The Excessive Heat Watch is no longer in effect.
* TEMPERATURE...Highs in the 90s near the coast and from 97 to 107
in Inland Orange County, the western Inland Empire and western
valleys in San Diego County. The beaches will not be quite as
hot with highs mostly in the 80s.
* IMPACTS...Heat related illness is likely for those involved in
strenuous outdoor activity, or those with health conditions
that do not have adequate access to air conditioning. If
untreated, heat illness events could be fatal. Never leave
children or pets inside a parked car!
* OUTLOOK...Still very warm Wednesday. Gradual cooling Thursday
An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a dangerous
situation in which heat illnesses are likely. Drink plenty of
fluids...stay in an air-conditioned room...stay out of the sun...
and check up on relatives and neighbors.
$$Fire Weather Warning
San Bernardino and Riverside County Valleys - The Inland Empire-
San Bernardino County Mountains-
Including The Mountain Top And Front Country Ranger Districts Of
The San Bernardino National Forest-Santa Ana Mountains-
Including The Trabuco Ranger District of the Cleveland National
1258 PM PDT Sat Oct 21 2017
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITY...
* WIND...Tonight and Sunday northeast winds 15 to 30 mph with
gusts to 45 near the coastal foothills and below passes and
canyons. Stronger and more widespread winds for Monday and
Tuesday with areas of northeast winds 25 to 35 mph with gusts
to 60 mph.
* HUMIDITY...5 to 10 percent Sunday...and around 5 percent Monday
and Tuesday with poorest overnight recovery in the windier
areas near the coastal foothills.
* TIMING...Through Tuesday...with the most extreme combination of
low humidity...stronger and more widespread winds...and heat on
Monday and Tuesday.
* OUTLOOK...Winds weaken Wednesday with some improvement in
* IMPACTS...Any fires that develop will likely spread rapidly...
especially Monday and Tuesday. Outdoor burning is not
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.