* WHAT...For the Heat Advisory, temperatures in the mid to upper 80s
near the coast, up to 94 inland. For the Extreme Heat Watch,
dangerously hot conditions with temperatures 85 to 90 near the
coast, up to 105 inland.

* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, and San Diego County Valleys.

* WHEN...For the Heat Advisory, until 8 PM PDT this evening. For the
Extreme Heat Watch, from Monday morning through Friday evening.

* IMPACTS...Early time of year and prolonged nature of this heat
event will lead to increased risk of heat illness, especially for
vulnerable populations and those without cooling systems.

* ADDITIONAL DETAILS...Slightly cooler this weekend. High
temperatures next week will be 20 to potentially 30 degrees above
normal for this time of year, where record breaking heat is likely.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

* WHERE...Portions of southwest Arizona and southeast and southern
California.

* WHEN...From Wednesday morning through Sunday, March 22.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.

* ADDITIONAL DETAILS...Afternoon high temperatures between 103 and
108 degrees.

An Extreme Heat Watch means that a period of very hot temperatures,
even by local standards, may occur. Actions should be taken to
lessen the impact of the extreme heat.

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 lightweight 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.

* WHAT...For the Heat Advisory, temperatures in the mid to upper 80s
near the coast, up to 94 inland. For the Extreme Heat Watch,
dangerously hot conditions with temperatures 85 to 90 near the
coast, up to 105 inland.

* WHERE...Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino and Riverside County Valleys-The Inland Empire, San
Diego County Coastal Areas, and San Diego County Valleys.

* WHEN...For the Heat Advisory, until 8 PM PDT this evening. For the
Extreme Heat Watch, from Monday morning through Friday evening.

* IMPACTS...Early time of year and prolonged nature of this heat
event will lead to increased risk of heat illness, especially for
vulnerable populations and those without cooling systems.

* ADDITIONAL DETAILS...Slightly cooler this weekend. High
temperatures next week will be 20 to potentially 30 degrees above
normal for this time of year, where record breaking heat is likely.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

* WHAT...Hot conditions with temperatures up to 93 possible.

* WHERE...Santa Ana Mountains and Foothills.

* WHEN...From Monday morning through Friday evening.

* IMPACTS...Early time of year and prolonged nature of this heat
event will lead to increased risk of heat illness, especially for
vulnerable populations and those without cooling systems.

* ADDITIONAL DETAILS...Slightly cooler this weekend. High
temperatures next week will be 20 to potentially 30 degrees above
normal for this time of year, where record breaking heat is likely.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.