The essentials
Heat dome covers Southwest to Midwest with 100°F+ temps; northern regions unaffected.
A heat dome is expanding across the central United States, with temperatures exceeding 100°F affecting the region. The heat wave extends from the Southwest through the Great Plains to the Midwest, creating a broad band of extreme conditions. Texas and the Gulf Coast are experiencing intensifying heat conditions, with further increases expected by Wednesday.
The geographic scope of this heat event is notably uneven, with the Mid-Atlantic, Northeast, and Pacific Northwest remaining largely spared from the extreme heat. This differential impact highlights how heat domes, while expansive, affect specific regional patterns rather than blanket the entire country.
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Heat dome covers vast swath but leaves northern tier untouched
The heat dome's reach spans from Southwest to Midwest, demonstrating the scale of the weather system. Yet three major regions—Mid-Atlantic, Northeast, and Pacific Northwest—remain spared, showing the precise geographic boundaries of extreme heat impacts.
Conditions intensify in South and Gulf regions amid broader heat wave
Central US and Texas face the most severe conditions, with temperatures exceeding 100°F and further intensification expected. Meanwhile, cooler northern regions experience dramatically different weather patterns, underscoring how a single heat dome creates vastly different outcomes across the country.