THIS WARNING IS POSTED ON YAHOO WEATHER.

I personally worked on I-10 from Jan 1972 to Nov 1974. This was between Blythe and Desert Center, from 1400 hrs (2 PM) to 2230 hrs (10:30 PM)


http://weather.yahoo.com/storm/USCA0110.html
LOWER COLORADO RIVER VALLEY AZ-WEST CENTRAL DESERTS-
YUMA/MARTINEZ LAKE AND VICINITY-SOUTHWEST DESERTS-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
IMPERIAL COUNTY-
INCLUDING THE CITIES OF...EHRENBERG...PARKER...BOUSE...
QUARTZSITE...SALOME...SAN LUIS...SOMERTON...YUMA...
FORTUNA FOOTHILLS...DATELAND...TACNA...WELLTON...BLYTHE...
CHIRIACO SUMMIT...DESERT CENTER...EAGLE MTN...BRAWLEY...
CALEXICO...EL CENTRO...GLAMIS...IMPERIAL...AND THE SALTON SEA
325 PM MST WED JUN 18 2008 /325 PM PDT WED JUN 18 2008/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST/PDT THIS
EVENING...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST/PDT TO 8
PM MST/PDT THURSDAY JUNE 19TH...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST/PDT TO 8
PM MST/PDT FRIDAY JUNE 20TH...
...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM MST/PDT TO 8 PM
MST/PDT SATURDAY JUNE 21ST...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST/PDT THIS
EVENING. AN EXCESSIVE HEAT WARNING ALSO REMAINS IN EFFECT FROM 10 AM
MST/PDT TO 8 PM MST/PDT THURSDAY...AND AGAIN FROM 10 AM MST/PDT TO 8
PM MST/PDT FRIDAY. IN ADDITION...THE NATIONAL WEATHER SERVICE IN
PHOENIX HAS ISSUED AN EXCESSIVE HEAT WARNING...WHICH IS IN EFFECT
FROM 10 AM MST/PDT TO 8 PM MST/PDT SATURDAY.

THE EXCESSIVE HEAT WARNING IS FOR THE LOWER DESERTS OF
SOUTHEASTERN CALIFORNIA AND THE SOUTHWESTERN ARIZONA DESERTS...
AND INCLUDES THE CITIES OF YUMA...BLYTHE...EL CENTRO...AND
IMPERIAL.

A STRONG HIGH PRESSURE SYSTEM..CURRENTLY LOCATED OVER THE
SOUTHWESTERN UNITED STATES...WILL PRODUCE NEAR RECORD AFTERNOON
HIGH TEMPERATURES TODAY THROUGH FRIDAY...AND READINGS 5 TO 10
DEGREES ABOVE NORMAL ARE EXPECTED. HIGH TEMPERATURES OVER MOST LOWER
DESERT SITES WILL RANGE FROM 111 TO 117 DEGREES THURSDAY THROUGH
SATURDAY.

IT WOULD BE WISE TO COMPLETE AS MUCH OUTDOOR ACTIVITY AS POSSIBLE
IN THE EARLY MORNING WHEN THE SUN AND HEAT ARE LESS INTENSE.
DURING PERIODS OF EXCESSIVE HEAT...INDIVIDUALS CAN SUFFER HEAT-
RELATED ILLNESS WHEN THE BODY CAN NO LONGER COOL ITSELF.

IF YOU PLAN TO BE OUTSIDE FOR AN EXTENDED PERIOD OF TIME IN THE
AFTERNOON OR EARLY EVENING...STAY IN THE SHADE AS MUCH AS
POSSIBLE AND DRINK ABUNDANT AMOUNTS OF WATER. WEAR LIGHT-COLORED
AND LOOSE-FITTING CLOTHING. IF YOU WEAR A WIDE-BRIMMED HAT...YOUR
HEAD AND BODY WILL BE MUCH COOLER. STOP OUTDOOR ACTIVITIES...
DRINK LOTS OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...AND IF
POSSIBLE...SPEND MORE TIME IN AIR-CONDITIONED OR WELL-VENTILATED
PLACES.

So what about the Marines in Iraq?
Do they get this warning?
They go out in the same temperatures, with body armor on and 60 pounds of gear.
Baghdad 86...105 F