Wednesday, August 20, 2025

PHOENIX: Excessive Hot Temperature Breaking Record of 113 Set in 2011. . . with intervals of clouds and Sun; Dangerous Heat

Heat wave to sweep Southern California, southwest U.S. states this week - The Washington Post

Extreme Heat Warning
10:00 AM Wednesday - 8:00 PM Friday

Max UV Index10.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindNE 6 mph

Wind Gusts18 mph

Probability of Precipitation 1%

Probability of Thunderstorms 0%

Precipitation 0.00 in

Cloud Cover 50%

Heat-related deaths in Phoenix, Arizona, have nearly doubled this year

This article is more than 1 year old

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The city just had its hottest June on record, with 175 possible heat deaths county-wide so far this year – an 84% increase

U.S. Heat Forecast: Where You Could See Dangerously High Temperatures - The New York Times

Extreme Heat Warning
August 20 - October 3

Wed 8/20

113° /92°

Sunny to partly cloudy and hot with the temperature tying the record from 2019; danger of dehydration and heatstroke if outside for extended periods of time

alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Friday

alerts

Air Quality Alert

8:35 AM Wednesday - 9:00 PM Thursday

RealFeel®116°

RealFeel Shade™111°

Max UV Index10.0 (Very High)

WindSE 5 mph

Thu 8/21

114° /90°

Very hot with the temperature tying the record from 2019 with sunshine; danger of dehydration and heatstroke if outside for extended periods of time

alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Friday

alerts

Air Quality Alert

8:35 AM Wednesday - 9:00 PM Thursday

RealFeel® 116°

RealFeel Shade™ 112°

Max UV Index10.0 (Very High)

WindS 7 mph