34°3'Š / 117°38'V / Aukštis 310 m / 09:49 2026-07-22, America/Los_Angeles (UTC-7)
nuo: 2026-07-22, 00:10
į: 2026-07-22, 15:30
* WHAT...Dangerously hot conditions with high temperatures as hot as 100 to 110 for Thursday through Saturday and low temperatures as warm as the mid 70s to upper 80s for Friday and Saturday expected. * WHERE...Apple and Lucerne Valleys. * WHEN...From 10 AM Thursday to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
San Bernardino
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
NWS San Diego CA
2026-07-22, 00:10nuo: 2026-07-22, 00:22
į: 2026-07-22, 15:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 116 degrees. Major Heat Risk. * WHERE...In Arizona, La Paz and Southeast Yuma counties. In California, Joshua Tree NP. * WHEN...From 10 AM MST /10 AM PDT/ Thursday to 8 PM MST /8 PM PDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.
San BernardinoAn Extreme Heat Warning means that a period of very hot temperatures,
even by local standards, will 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.
Public cooling shelters are available in some areas. Consult county
officials for more details.NWS Phoenix AZ2026-07-22, 00:22nuo: 2026-07-22, 04:35
į: 2026-07-23, 05:00
* WHAT...Dangerously hot conditions expected. Afternoon temperatures in the desert valleys will climb into the 108 to 114 degree range, and may exceed 115 along the Colorado River Valley and 120 in Death Valley. Overnight lows generally 80 to 95 degrees. * WHERE...Portions of northwest Arizona, southeast California, and southern Nevada including the Greater Mojave Desert region. * WHEN...From 10 AM PDT /10 AM MST/ Thursday to 8 PM PDT /8 PM MST/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
San BernardinoDrink 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.
Monitor the latest forecasts and warnings for updates.NWS Las Vegas NV2026-07-22, 04:35nuo: 2026-07-22, 10:00
į: 2026-07-22, 15:30
* WHAT...Dangerously hot conditions with high temperatures as hot as the upper 90s to 110 and low temperatures as warm as the 70s for Thursday through Saturday expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM this morning to 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
San Bernardino,San Bernardino and Riverside County Valleys-The Inland EmpireDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026-07-22, 00:10
nuo: 2026-07-22, 10:00
į: 2026-07-22, 15:30
* WHAT...High temperatures as hot as the 90s to 102 and low temperatures as warm as the 70s and lower 80s below 6500 feet for Thursday through Saturday expected. * WHERE...Riverside County Mountains and San Bernardino County Mountains. * WHEN...From 10 AM this morning to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.
San BernardinoDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA2026-07-22, 00:10