NWS Phoenix

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Last Map Update: Mon, Oct 5, 2026 at 3:18:14 pm MST

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

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National Weather Service Albuquerque, NM

National Weather Service NWS Tucson Arizona

Extreme Heat Warning

Coastal Flood Advisory

Beach Hazards Statement

Extreme Heat Watch

Breezy Conditions Today

Temperature Outlook

Last 100 Degree Day Stats

Monsoon Climate Summary

An Extreme Heat Watch has been issued for portions of SW AZ and SE CA for Wednesday and Thursday. Afternoon highs are expected to reach upwards of 104°-110°F, around 10-15 degrees above normal for this time of year.

Breezy to locally windy conditions will re-develop this morning. Wind gusts will peak in the mid to late morning with gusts slowly weakening through the afternoon. Make sure to secure any loose items or temporary structures. Difficult driving conditions are possible, especially for high profile vehicles with localized blowing dust also a potential hazard.

Above normal temperatures will be common this week with the warmest readings during the middle of the week. This will result in areas of moderate to locally major HeatRisk where readings will be around 10 degrees above normal and near daily records.

October 5th is the average last 100 degree day of the year for Phoenix. The latest 100 degree day on record occurred on Oct 27th, 2016, so it is climatologically possible to see 100 degree days last through late October.

Monsoon season temperatures finished above normal at all three climate sites, with the overnight lows being the most above normal for all three climate sites. Rainfall totals were above normal at Phoenix, and below normal at Yuma and El Centro.