Heat dome to bring record temperatures to southwestern US

The National Weather Service forecasts daytime highs of 110–115°F across the Southwest through early September, affecting 45 million people amid ongoing wildfires and limited overnight cooling.

First covered Aug 25, 2026 · 3:40 PM PT · 1 article · no longer in the live window

Heat dome to bring record temperatures to southwestern US — Image via theguardian.com

Coverage

32d Guardian Environment Record-breaking heat dome expected to bring dangerous temperatures to US south-west — As wildfires rage and intense heat builds across the region, daytime highs of 110-11F (43-46C) are forecast Surging temperatures are expected to broil more…

Primary sources

emergency.lacity.gov Heat (emergency.lacity.gov)

wpc.ncep.noaa.gov WPC's Short Range Public Discussion

More coverage from around the web

washingtonpost.com A relentless heat dome is expanding from Texas to California, challenging records - The Washington Post

cnn.com A record-challenging heat dome is about to bake the West with the summer’s hottest temperatures so far | CNN

detroitnews.com A relentless heat dome is expanding from Texas to California, challenging records

abc17news.com A record-challenging heat dome is about to bake the West with the summer’s hottest temperatures so far - ABC17NEWS

foxweather.com Life-threatening heat dome starts to ease up after baking the West with triple-digit temperatures

Appeared in: 2026-08-26 (#14)

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