San Bernardino County, California
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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 Bernardino County, California
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Excessive Heat Warning
AZZ002-036-CAZ522>527-NVZ016-017-020>022-011100-
/O.UPG.KVEF.EH.A.0001.160603T1700Z-160605T0300Z/
/O.NEW.KVEF.EH.W.0001.160603T1700Z-160606T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...LAKE HAVASU CITY...DESERT HILLS...
TOPOCK...BULLHEAD CITY...OATMAN...MOHAVE VALLEY...FURNACE CREEK...
STOVEPIPE WELLS...SHOSHONE...BARSTOW...DAGGETT...FORT IRWIN...
BAKER...MOUNTAIN PASS...MITCHELL CAVERNS...MORONGO VALLEY...
YUCCA VALLEY...TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES...
MESQUITE...OVERTON...MOAPA...PAHRUMP...INDIAN SPRINGS...
DESERT ROCK...AMARGOSA VALLEY...LAS VEGAS...NORTH LAS VEGAS...
HENDERSON...BOULDER CITY...HOOVER DAM...LAUGHLIN...PRIMM....
SEARCHLIGHT...CAL-NEV-ARI
209 PM PDT TUE MAY 31 2016 /209 PM MST TUE MAY 31 2016/

...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM PDT /10 AM MST/
FRIDAY TO 8 PM PDT /8 PM MST/ SUNDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED AN EXCESSIVE
HEAT WARNING...WHICH IS IN EFFECT FROM 10 AM PDT /10 AM MST/
FRIDAY TO 8 PM PDT /8 PM MST/ SUNDAY. THIS REPLACES THE EXCESSIVE
HEAT WATCH WHICH HAD BEEN IN EFFECT.

* TEMPERATURE...HIGHS WILL BE 105 TO 110 IN LAS VEGAS AND FOR MUCH
OF THE MOJAVE DESERT...110 TO 117 IN THE COLORADO RIVER VALLEY...
AND 115 TO 121 IN DEATH VALLEY. LOWS WILL GENERALLY BE 75 TO 85.

* IMPACTS...HEAT RELATED ILLNESSES SUCH AS HEAT EXHAUSTION AND HEAT
STROKE WILL BE POSSIBLE. TEMPERATURES WERE BELOW NORMAL FOR THE
SECOND HALF OF MAY...SO PEOPLE MAY NOT BE ACCLIMATED TO THE HEAT.
PEOPLE MOST VULNERABLE INCLUDE THOSE WHO ARE SPENDING LOTS OF TIME
OUTDOORS...THOSE WHO DO NOT HAVE AIR CONDITIONING...YOUNG
CHILDREN...THE ELDERLY...AND THOSE WITH CHRONIC AILMENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PERIOD OF DANGEROUSLY HOT
TEMPERATURES WILL OCCUR...WHICH WILL CREATE A DANGEROUS SITUATION
IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF WATER...STAY IN
AN AIR CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON
RELATIVES AND NEIGHBORS.

TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN
POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT
STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE
AND DRINK PLENTY OF WATER.

TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY...CALL 9 1 1.

YOUNG CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES
UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING WARM OR HOT
WEATHER WHEN CAR INTERIORS CAN REACH LETHAL TEMPERATURES IN A MATTER
OF MINUTES.

&&

$$

Excessive Heat Watch
CAZ048-010530-
/O.CON.KSGX.EH.A.0001.160603T1900Z-160605T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
INCLUDING THE CITIES OF...RIVERSIDE...SAN BERNARDINO...ONTARIO...
MORENO VALLEY...FONTANA...RANCHO CUCAMONGA...CORONA
208 PM PDT TUE MAY 31 2016

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY EVENING...

* HIGH TEMPERATURES...98 TO 110 F.

* IMPACTS...TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO
EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE
FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID STRENUOUS OUTDOOR ACTIVITY IF POSSIBLE. IF YOU HAVE TO BE
OUTSIDE...DRINK PLENTY OF NON-ALCOHOLIC...NON-CAFFEINATED FLUIDS.
WEAR LIGHTWEIGHT LOOSE-FITTING CLOTHING. WEAR A HAT TO SHIELD
YOURSELF FROM THE SUN...AND USE SUN SCREEN TO REDUCE POSSIBLE
SUNBURN. TAKE ADVANTAGE OF AIR CONDITIONING AND SHADE IF
POSSIBLE. NEVER LEAVE CHILDREN OR PETS IN ENCLOSED VEHICLES...
EVEN BRIEFLY.

TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$

Excessive Heat Watch
CAZ060-010530-
/O.CON.KSGX.EH.A.0001.160603T1900Z-160605T0200Z/
APPLE AND LUCERNE VALLEYS-
INCLUDING THE CITIES OF...VICTORVILLE...HESPERIA...APPLE VALLEY
208 PM PDT TUE MAY 31 2016

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SATURDAY EVENING...

* HIGH TEMPERATURES...100 TO 108 F.

* IMPACTS...TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME
OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO
EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE
FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID STRENUOUS OUTDOOR ACTIVITY IF POSSIBLE. IF YOU HAVE TO BE
OUTSIDE...DRINK PLENTY OF NON-ALCOHOLIC...NON-CAFFEINATED FLUIDS.
WEAR LIGHTWEIGHT LOOSE-FITTING CLOTHING. WEAR A HAT TO SHIELD
YOURSELF FROM THE SUN...AND USE SUN SCREEN TO REDUCE POSSIBLE
SUNBURN. TAKE ADVANTAGE OF AIR CONDITIONING AND SHADE IF
POSSIBLE. NEVER LEAVE CHILDREN OR PETS IN ENCLOSED VEHICLES...
EVEN BRIEFLY.

TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS
IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY
HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE
IS AN EMERGENCY - CALL 9 1 1.

&&

$$

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