Phoenix, AZ 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 Phoenix.

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

Extreme Heat Warning issued July 13 at 11:48PM MST until July 16 at 8:00PM MST by NWS Phoenix AZ

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 106 to 116 expected. Overnight temperatures 85 to 91. Moderate to Major Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Chuckwalla Valley, Imperial County Southeast, Imperial County Southwest, Imperial County West, Imperial Valley, Palo Verde Valley, and Salton Sea. * WHEN...From 10 AM MST /10 AM PDT/ Tuesday to 8 PM MST /8 PM PDT/ Thursday. * 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.