33°43'北 / 116°20'西 / 高度 47 m / 04:31 2026-03-21, America/Los_Angeles (UTC-7)
開始于: 2026-03-20, 19:51
到: 2026-03-21, 06:15
* WHAT...Dangerously hot conditions with temperatures 102 to 107.
* WHERE...Coachella Valley and San Diego County Deserts.
* WHEN...Until 8 PM PDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Coachella Valley,Riverside
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.
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.
NWS San Diego CA
2026-03-20, 19:51開始于: 2026-03-20, 19:51
到: 2026-03-21, 06:15
* WHAT...Dangerously hot conditions with temperatures 91 to 100.
* WHERE...San Gorgonio Pass near Banning.
* WHEN...Until 8 PM PDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
RiversideDrink 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.
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.NWS San Diego CA2026-03-20, 19:51開始于: 2026-03-21, 00:39
到: 2026-03-21, 15:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 94 to 108. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.
* WHERE...Portions of southwest Arizona and southeast and southern California.
* WHEN...Until 8 PM MST /8 PM PDT/ Sunday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
RiversideTo 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.
Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may include:
cool, moist, pale skin; headache; dizziness; weakness or exhaustion;
nausea. The most serious illness is heat stroke, which may include:
vomiting; confusion; throbbing headache; decreased alertness or loss
of consciousness; high body temperature (above 105F); hot, dry skin;
rapid, weak pulse; rapid, shallow breathing; seizures.NWS Phoenix AZ2026-03-21, 00:39