{"id":403586,"date":"2026-08-11T14:46:10","date_gmt":"2026-08-11T14:46:10","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-tx\/403586\/"},"modified":"2026-08-11T14:46:10","modified_gmt":"2026-08-11T14:46:10","slug":"houston-forecast-turns-hotter-and-drier-as-heat-dome-strengthens","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-tx\/403586\/","title":{"rendered":"Houston forecast turns hotter and drier as heat dome strengthens"},"content":{"rendered":"<p><img alt=\"Above-average temperatures are expected through mid-August, as shown by this map from NOAA\u2019s Climate Prediction Center. The footprint of a strong heat dome shows up in shades of orange and red, indicating where temperatures are likely to be warmer than normal.\" loading=\"eager\" fetchpriority=\"high\"   style=\"aspect-ratio:16 \/ 9\" class=\"x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill\"\/><\/p>\n<p>Above-average temperatures are expected through mid-August, as shown by this map from NOAA\u2019s Climate Prediction Center. The footprint of a strong heat dome shows up in shades of orange and red, indicating where temperatures are likely to be warmer than normal.<\/p>\n<p>NOAA&#8217;s Climate Prediction Center \/ Pivotal Weather<\/p>\n<p>After a few <a href=\"https:\/\/www.houstonchronicle.com\/news\/houston-weather\/forecast\/article\/houston-monday-weather-timeline-hisd-s-first-day-22380843.php\" data-link=\"native\" rel=\"noopener nofollow\" target=\"_blank\" class=\"\">milder afternoons<\/a> in Houston, a strengthening heat dome will settle in later this week and lock in hotter, drier weather while increasing the odds of 100-degree afternoons.<\/p>\n<p>Rain chances will taper off Tuesday as the heat dome begins taking control of the region. Beneath this sprawling area of high atmospheric pressure, air sinks toward the surface, where increasing pressure compresses and warms it. That process, combined with fewer clouds and thunderstorms, will send afternoon temperatures climbing as we head into the second half of the work week.<\/p>\n<p class=\"MM_onlineOnly\" title=\"CCI Online Only\">TELL US: <a href=\"https:\/\/www.houstonchronicle.com\/projects\/2026\/heat-illness-houston-survey\/\" data-link=\"native\" rel=\"noopener nofollow\" target=\"_blank\" class=\"\">How have you dealt with Houston\u2019s heat waves?<\/a><\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>The heat could become even more intense this weekend and into early next week.<\/p>\n<p>Houston rain chances fade as heat builds<\/p>\n<p>Tuesday marks the transition toward hotter and drier weather. A few lucky neighborhoods may get a brief cooling downpour during the afternoon or early evening, especially near and south of Interstate 10.\u00a0<\/p>\n<p>As the ridge of high air pressure strengthens, Tuesday\u2019s 20% chance of a stray storm dries up even more by Wednesday. That means the cooling effect from afternoon clouds and showers will become much harder to come by. Instead, more sunshine should allow temperatures to climb each afternoon through Friday.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>The strengthening heat dome will also make the air above Houston increasingly warm, setting the stage for hotter afternoons. How close\u00a0<a href=\"https:\/\/www.houstonchronicle.com\/projects\/weather\/texas-heat-tracker\/\" data-link=\"native\" rel=\"noopener nofollow\" target=\"_blank\" class=\"\">temperatures get to 100 degrees<\/a> will partly depend on how much of that hotter air gets mixed downward as the ground heats up during the day.<\/p>\n<p>Heat dome could intensify over Southeast Texas<\/p>\n<p>The ridge is expected to shift northward and strengthen further this weekend, placing Southeast Texas beneath an unusually powerful heat dome.<\/p>\n<p>One measurement suggests this heat dome could rank among the strongest 1% ever observed over the region at this time of year. That kind of atmospheric setup can be stubborn, keeping rain chances low and allowing temperatures to climb for several days with little interruption from clouds or thunderstorms.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p class=\"MM_onlineOnly\" title=\"CCI Online Only\">EL NI\u00d1O\u2019S INFLUENCE:\u00a0<a href=\"https:\/\/www.houstonchronicle.com\/news\/houston-weather\/article\/does-el-nino-mean-fewer-100-degree-days-in-houston-22338971.php\" data-link=\"native\" rel=\"noopener nofollow\" target=\"_blank\" class=\"\">Is El Ni\u00f1o keeping Houston from reaching 100 degrees? History suggests it\u2019s complicated.<\/a><\/p>\n<p>Houston could be heading into a stretch of exceptionally hot and dry weather, even by August standards.<\/p>\n<p>While heat-related weather alerts could become necessary as early as Wednesday, the greater concern appears to be this weekend as the heat dome intensifies.<\/p>\n<p>Could Houston see more 100-degree days?<\/p>\n<p>Yes. The odds of triple-digit heat are expected to increase as the heat dome strengthens.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>Multiple forecast ensembles\u00a0\u2014 collections of model simulations run with slightly different starting conditions to account for uncertainty\u00a0\u2014 show a <a href=\"https:\/\/www.houstonchronicle.com\/news\/houston-weather\/forecast\/article\/houston-august-weather-outlook-cold-front-22368003.php\" data-link=\"native\" rel=\"noopener nofollow\" target=\"_blank\" class=\"\">greater chance of 100-degree air temperatures<\/a> this weekend, with the threat potentially continuing into early next week.<\/p>\n<p>When more of those simulations begin pointing toward triple-digit heat, confidence in that possibility increases. It does not guarantee Houston\u2019s actual air temperature will reach 100 each day, but the atmospheric setup is becoming increasingly favorable for the 100-degree mark.<\/p>\n<p>Exactly how widespread and persistent the triple-digit heat becomes will depend on the precise position and strength of the heat dome.\u00a0After Tuesday, Houston is heading into a hotter and substantially drier stretch, with the most intense heat likely arriving this weekend.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n","protected":false},"excerpt":{"rendered":"Above-average temperatures are expected through mid-August, as shown by this map from NOAA\u2019s Climate Prediction Center. The footprint&hellip;\n","protected":false},"author":2,"featured_media":403587,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[56,58,57],"class_list":["post-403586","post","type-post","status-publish","format-standard","has-post-thumbnail","category-houston","tag-houston","tag-houston-headlines","tag-houston-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts\/403586","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=403586"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts\/403586\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media\/403587"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media?parent=403586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/categories?post=403586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/tags?post=403586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}