Stanford, CA Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Stanford.

Use the Radar Maps link provided to understand the trajectory of a storm.

Heat Advisory issued July 8 at 2:03AM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

* WHAT...High temperatures of 95 to 104 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Heat Advisory issued July 8 at 2:03AM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

* WHAT...High temperatures in the 90s for the inland valleys near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Extreme Heat Warning issued July 8 at 2:03AM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

* WHAT...Dangerously hot conditions with high temperatures of 114 to 118 expected. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Heat Advisory issued July 8 at 2:03AM PDT until July 10 at 8:00PM PDT by NWS San Diego CA

* WHAT...High temperatures in the 90s below 4500 feet expected. * WHERE...Riverside County Mountains and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures may cause heat illnesses.

Extreme Heat Warning issued July 8 at 1:08AM PDT until July 9 at 8:00PM PDT by NWS Las Vegas NV

* WHAT...Dangerously hot conditions are expected on Wednesday. Afternoon high temperatures in the Colorado River Valley will be between 110 and 120 degrees. High temperatures in the lower elevations of southern Mohave County will be around 110 to 115 degrees. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, Arizona's Northwest Deserts, and San Bernardino County-Upper Colorado River Valley. * WHEN...From 10 AM PDT /10 AM MST/ to 8 PM PDT /8 PM MST/ Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Extreme Heat Warning issued July 8 at 12:03AM MST until July 10 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 119 expected. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Portions of southeast and southern California. * WHEN...From 10 AM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Air Quality Alert issued July 7 at 3:58PM PDT by NWS San Diego CA

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. * WHERE...In inland Orange County, the Santa Ana Mountains, the Inland Empire, the San Bernardino Mountains, the Riverside County mountains and the Coachella Valley. Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Monday 2:30 PM until Thursday 8:00 PM. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS...Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

Air Quality Alert issued July 7 at 2:31PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of ozone pollution. * WHERE...in the . Levels of ozone pollution can vary by time and location depending on emissions and air pollution transport. * WHEN...Monday 2:30 PM until Thursday 8:00 PM. The highest ozone levels typically occur in the afternoon and early-evening hours. * IMPACTS... Ozone air pollution can cause serious health problems, including trouble breathing, asthma attacks, and lung damage. Everyone can be affected, but sensitive groups such as people with lung disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

The Extreme Heat Watch has been replaced. Please see the latest information from NWS San Diego CA on this developing situation.

The Extreme Heat Watch has been replaced. Please see the latest information from NWS San Diego CA on this developing situation.