{"id":388898,"date":"2026-07-28T10:19:09","date_gmt":"2026-07-28T10:19:09","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-tx\/388898\/"},"modified":"2026-07-28T10:19:09","modified_gmt":"2026-07-28T10:19:09","slug":"heat-dome-to-bring-hottest-week-yet-in-san-antonio","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-tx\/388898\/","title":{"rendered":"Heat dome to bring hottest week yet in San Antonio"},"content":{"rendered":"

This weather pattern, known as the subtropical high, acts like a lid on a pot, with sinking air compressing and warming as it descends, trapping heat near the ground. That process suppresses the formation of towering rain clouds, leading to mostly sunny skies and allowing temperatures to climb day after day.<\/p>\n

The heat will continue to build and may rival record highs across parts of the state<\/a>, especially the Texas Panhandle and West Texas on Tuesday. Cities that could challenge records include El Paso, where the record high is 105 degrees set in 2023, and Amarillo, where the record is 102 degrees set in 2011. San Antonio’s record will not be threatened, as the forecast is several degrees below the daily record high of 103 degrees set in 1995.<\/p>\n

This weather pattern will stick around through the workweek, with temperatures climbing into the triple digits by Friday and Saturday. That will add to our growing number of 100-degree days after San Antonio\u00a0recorded its first triple-digit day of the year just one week ago.<\/p>\n

The National Weather Service is already highlighting the region with an elevated Heat Risk<\/a>, ranging from moderate to major (Level 2 and 3 out of 4) through midweek before increasing to Level 3 and 4 by Friday as the heat intensifies.<\/p>\n

Fortunately, this stretch of extreme heat won’t last much longer than a week. By the weekend, the heat dome is expected to weaken as the center of the subtropical high shifts west toward the Four Corners region, loosening its grip on Texas.\u00a0<\/p>\n

As the ridge retreats, temperatures should ease back closer to seasonal averages, and a few isolated showers or thunderstorms may return to parts of the state.\u00a0<\/p>\n

It has been two weeks since torrential rainfall fell across the Edwards Plateau, Hill Country and Rio Grande regions, with some locations receiving more than 2 feet of rain. Over several days, that water drained into streams and creeks, eventually sending area rivers out of their banks and causing flooding along the Guadalupe and Nueces rivers. Now, all that runoff has made its way into some of the region\u2019s major lakes, including Canyon Lake.<\/p>\n

The National Weather Service offices in Austin and San Antonio recently released satellite imagery showing the dramatic rise in lake levels across South Texas following the mid-July rainfall event. Canyon Lake is now 100% full for the first time in nearly five years, rising more than 35% since last month when it was only 62% full.<\/p>\n","protected":false},"excerpt":{"rendered":"This weather pattern, known as the subtropical high, acts like a lid on a pot, with sinking air…\n","protected":false},"author":2,"featured_media":388899,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[82,84,83],"class_list":["post-388898","post","type-post","status-publish","format-standard","has-post-thumbnail","category-san-antonio","tag-san-antonio","tag-san-antonio-headlines","tag-san-antonio-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts\/388898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/comments?post=388898"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts\/388898\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media\/388899"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media?parent=388898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/categories?post=388898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/tags?post=388898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}