33°58'N / 117°22'O / Altitudine 258 m / 18:37 27/07/2026, America/Los_Angeles (UTC-7)
Da: 27/07/2026, 05:24
A: 27/07/2026, 19:00
* WHAT...Dangerously hot conditions with high temperatures 110 to 115 and lows in the mid 80s to low 90s. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Major to locally Extreme HeatRisk. Elevated low temperatures will limit overnight relief from the heat.
Riverside
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
27/07/2026, 05:24Da: 27/07/2026, 13:56
A: 27/07/2026, 20:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 115. Major Heat Risk. * WHERE...Mostly rural portions of southwest Arizona and southeast California, including Joshua Tree National Park. * WHEN...Until 8 PM MST /8 PM PDT/ this evening. * 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.
RiversideAn 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 AZ27/07/2026, 13:56Da: 27/07/2026, 13:56
A: 28/07/2026, 04:00
* WHAT...Dangerously hot conditions. Afternoon temperatures 110 to 116. Major Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Chuckwalla Valley, Imperial Valley, and Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Wednesday. * 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.
RiversideAn 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 AZ27/07/2026, 13:56
Da: 27/07/2026, 05:24
A: 27/07/2026, 19:00
* WHAT...High temperatures in the mid 80s to upper 90s and lows in the mid 60s to mid 70s below 6500 ft. * WHERE...Riverside County Mountains and San Bernardino County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
RiversideDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA27/07/2026, 05:24Da: 27/07/2026, 05:24
A: 27/07/2026, 19:00
* WHAT...High temperatures in the low to mid 90s and low temperatures in the 70s. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
RiversideDrink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.NWS San Diego CA27/07/2026, 05:24Da: 27/07/2026, 05:24
A: 27/07/2026, 19:00
* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 100 and low temperatures in the mid 60s to low 70s. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Riverside,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 CA27/07/2026, 05:24