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Phoenix’s Extreme Heat Warning Extended Through Aug. 22

8/24/2026

26 2 Full Breakdown

Summary

NWS Extends Heat Warning

The U.S. National Weather Service extended the Extreme Heat Warning for Phoenix through Saturday, August 22.
Saturday hit a record-breaking 115 °F, exceeding the previous 113 °F record set in 2011.
First Alert Days for extreme heat will stay in effect until Saturday, August 29.
An Ozone High Pollution Advisory runs through this evening, with a watch issued for Monday and Tuesday.

Summary

Arizona DOT Campaign

Arizona DOT launched “Pull Aside, Stay Alive” campaign to protect drivers during dust storms.
Weather Service warned Maricopa and Pinal Counties of a dust storm until 9:30 p.m. MST.
At 8:50 p.m. dust wall stretched from Usery Mountain Park to Tempe, moving at 35 mph.
Meteorologist Andrew Deemer said haboobs form when thunderstorm downdrafts hit hot desert floor, lifting dust.
Drivers are advised to pull off the road and keep seat belts fastened.

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NWS Extends Heat Warning

The U.S. National Weather Service extended the Extreme Heat Warning for Phoenix through Saturday, August 22.
Saturday hit a record-breaking 115 °F, exceeding the previous 113 °F record set in 2011.
First Alert Days for extreme heat will stay in effect until Saturday, August 29.
An Ozone High Pollution Advisory runs through this evening, with a watch issued for Monday and Tuesday.

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