San Diego County, California
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Watch/Warnings
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: San Diego County, California
« View county list

Excessive Heat Warning
CAZ043-048-050-552-554-221300-
/O.CON.KSGX.EH.W.0005.171023T1700Z-171025T0300Z/
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
917 PM PDT Sat Oct 21 2017

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO
8 PM PDT TUESDAY...

* 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
and Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
CAZ250-256-258-265-552-554-221400-
/O.CON.KSGX.FW.W.0004.171022T1300Z-171025T0100Z/
San Diego County Inland Valleys-Riverside County Mountains-
Including The San Jacinto Ranger District Of The San Bernardino
National Forest-San Diego County Mountains-
Including The Palomar And Descanso Ranger Districts of the
Cleveland National Forest-San Gorgonio Pass Near Banning-
Orange County Coastal Areas-Orange County Inland Areas-
940 PM PDT Sat Oct 21 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 6 AM SUNDAY TO 6 PM
PDT TUESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY...

* WIND...For Sunday...areas of northeast winds 15 to 25 mph with
gusts to 35 near the coastal foothills and below passes and
canyons. Stronger and more widespread winds for Monday and
Tuesday with northeast winds 20 to 30 mph with gusts to 55
mph.

* HUMIDITY...Lowest daytime humidity of 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 will weaken Wednesday with some improvement
in humidity.

* IMPACTS...Any fires that develop will likely spread rapidly...
especially Monday and Tuesday. Outdoor burning is not
recommended.

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.

&&

$$
Fire Weather Warning
CAZ248-255-257-221400-
/O.CON.KSGX.FW.W.0004.000000T0000Z-171025T0100Z/
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
Forest-
940 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...Overnight through 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
humidity.

* IMPACTS...Any fires that develop will likely spread rapidly...
especially Monday and Tuesday. Outdoor burning is not
recommended.

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.

&&

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Aviation Weather Warning
Coastal Flood Advisory
Coastal Flood Statement
Coastal Flood Warning
Excessive Heat Warning
Excessive Heat Watch
Fire Weather Warning
Flash Flood Warning
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Frost Advisory
High Surf Advisory
High Surf Warning
High Wind Warning
High Wind Watch
Hurricane Statement
Lake Wind Advisory
Rip Current Statement
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Special Weather Statement
Wind Advisory
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
Advertisements