NWS Phoenix

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Last Map Update: Thu, Jun 19, 2025 at 3:38:17 am MST

Watches, Warnings & Advisories

National Weather Service NWS Flagstaff, AZ

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National Weather Service NWS Tucson Arizona

Extreme Heat Warning

Red Flag Warning

Heat Advisory

Fire Weather Watch

Air Quality Alert

Hazardous Weather Outlook

Extreme Heat Warning

Moderate to Major HeatRisk Today

Elevated Fire Weather Conditions

Heat Safety

Below Normal Temperatures

High temperatures will reach 112-116°F today and around 108-111°F Friday, which is a good 5-10 degrees above normal for this time of year. This will result in widespread Moderate with areas of Major HeatRisk. An Extreme Heat Warning remains in effect through Friday evening for much of south-central Arizona.

Today will be the hottest day of the week with Major HeatRisk across much of south-central AZ and Moderate HeatRisk elsewhere. Widespread Moderate HeatRisk is expected Friday before a noticeable cool down over the weekend drops the HeatRisk to Minor and temperatures to below normal by Sunday. Everyone, especially those particularly sensitive to the heat, should take the necessary precautions to avoid heat-related illnesses.

An approaching weather system will lead to increasing winds across the region for the end of the week with the strongest winds, gusting upwards of 25-30 mph, expected Friday and Saturday. Combined with very dry conditions in place, this will lead to elevated fire weather conditions focused primarily over the higher terrain north and east of Phoenix.

Know the signs of heat exhaustion and heat stroke. If you have any of these symptoms, make sure to act quickly to prevent heat illness.

The 6-10 day temperature outlook from the Climate Prediction Center gives our region a 40-60% chance of seeing temperatures below normal for next week.