{"id":421729,"date":"2026-08-31T10:44:13","date_gmt":"2026-08-31T10:44:13","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-tx\/421729\/"},"modified":"2026-08-31T10:44:13","modified_gmt":"2026-08-31T10:44:13","slug":"gulf-tropical-disturbance-could-shape-south-texas-weather-this-week","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-tx\/421729\/","title":{"rendered":"Gulf tropical disturbance could shape South Texas weather this week"},"content":{"rendered":"<p><img alt=\"Although most Texas temperatures will max out in the 90s, the humidity-driven heat index values will continue to surpass 100 degrees across the state.\" loading=\"eager\" fetchpriority=\"high\"   style=\"aspect-ratio:3 \/ 2\" class=\"x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill\"\/><\/p>\n<p>Although most Texas temperatures will max out in the 90s, the humidity-driven heat index values will continue to surpass 100 degrees across the state.<\/p>\n<p>National Blend of Models\/Pivotal Weather<\/p>\n<p>In the past few days, <a href=\"https:\/\/www.expressnews.com\/san-antonio-weather\/forecast\/article\/sunday-weather-forecast-rain-chances-this-week-22408179.php\" data-link=\"native\" class=\"\" rel=\"nofollow noopener\" target=\"_blank\">San Antonio weather<\/a> saw brief but destructive storms Friday and the end of 100-degree heat on Saturday. Yet, in the next several days we\u2019ll see more atmospheric stability as a system of high air pressure reasserts its influence on South Texas weather, according to the National Weather Service.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn-channels-pixel.ex.co\/events\/0012000001fxZm9AAE?integrationType=DEFAULT&amp;template=design%2Farticle%2Fplatypus_two_column.tpl\" alt=\"\" class=\"x1px y1px vh abs\" aria-hidden=\"true\" width=\"1\" height=\"1\"\/><\/p>\n<p>A subtropical\u00a0<a href=\"https:\/\/www.expressnews.com\/san-antonio-weather\/forecast\/article\/saturday-south-texas-weekend-sunshine-heat-no-rain-22407491.php\" data-link=\"native\" class=\"\" rel=\"nofollow noopener\" target=\"_blank\">ridge of high pressure<\/a> over North Texas was expected to shift east on Monday, forecasters said. High atmospheric pressure in the summer typically produces a heat dome that can trap South Texas under a static weather pattern marked by above-normal temperatures and below-normal rainfall.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>\u201cThis will keep things hot, but not as hot as we\u2019d seen in the two weeks leading\u00a0up to <a href=\"https:\/\/www.expressnews.com\/news\/article\/storm-deaths-san-antonio-drowning-woodlawn-lake-22409888.php\" data-link=\"native\" class=\"\" rel=\"nofollow noopener\" target=\"_blank\">Thursday and Friday\u2019s rains<\/a>,\u201d the weather service said in a <a href=\"https:\/\/forecast.weather.gov\/product.php?site=EWX&amp;issuedby=EWX&amp;product=AFD&amp;format=CI&amp;version=1&amp;glossary=0\" data-link=\"native\" class=\"\" rel=\"nofollow noopener\" target=\"_blank\">forecast bulletin for South Texas that was posted online Sunday<\/a>. \u201cMonday will be hot and\u00a0dry with weak flow aloft and highs in the mid- to upper 90s to around\u00a0100.\u201d<\/p>\n<p>For San Antonio, <a href=\"https:\/\/forecast.weather.gov\/MapClick.php?lat=29.5338&amp;lon=-98.47\" data-link=\"native\" class=\"\" rel=\"nofollow noopener\" target=\"_blank\">Monday is shaping up to be partly sunny<\/a> in the morning before gradually becoming sunny. While afternoon temperatures could climb to as high as 98 degrees, humidity will be limited, so the heat index will top out at only 102. Southeast winds of 5 to 10 mph, however, will continue to bring moisture-rich air into the region from the Gulf Coast.<\/p>\n<p>At night, under mostly clear skies, temperatures overnight into Tuesday morning will stay above 76 degrees, forecasters said.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>Rain chances with Gulf disturbance<\/p>\n<p>As a tropical low pressure system churned westward in the northern Gulf of Mexico, forecasters said they were anticipating slight chances for sea breeze showers and storms in the first half of the work week, especially for the Coastal Plains in Texas east of the Interstate 35 corridor.<\/p>\n<p>\u201cOn Tuesday, an inverted trough (of low air pressure) will move inland from the Gulf, but it will be an open wave with very little upper-level support,\u201d the weather service said. \u201cThe\u00a0only areas that might see some rain Tuesday and Wednesday are the\u00a0Coastal Plains as sea breeze showers and storms attempt to move\u00a0further inland.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p><img alt=\"In this weather satellite photo of the Gulf of Mexico taken Sunday morning, a tropical low pressure system produces a cluster of clouds off the Louisiana-Mississippi coasts that could bring rain chances to Texas in the coming days.\u00a0\" loading=\"lazy\"   style=\"aspect-ratio:3 \/ 2\" class=\"x100 y100 opc bgpc ofcv bgscv block bg-gray200 mnh0px fill\"\/><\/p>\n<p>In this weather satellite photo of the Gulf of Mexico taken Sunday morning, a tropical low pressure system produces a cluster of clouds off the Louisiana-Mississippi coasts that could bring rain chances to Texas in the coming days.\u00a0<\/p>\n<p>Geostationary Operational Environmental Satellites\/CIRA and NOAA<\/p>\n<p>Tuesday\u2019s forecast and beyond<\/p>\n<p>San Antonio on Tuesday should have plenty of sunshine as daytime temperatures once again peak at 98 degrees amid south winds of 5 mph, forecasters said. Wednesday is expected to be just as sunny and hot, with afternoon temperatures reaching 99 degrees.<\/p>\n<p>Rain chances finally return to South Texas by Thursday, as San Antonio gets a slim shot at showers and storms (20% chance) after 1 p.m. Temperatures could max out at 99 degrees in the afternoon while bottoming out overnight around 77 degrees before sunrise Friday.<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>The 20% rain chance is expected to persist Friday in San Antonio. Otherwise, look for more sunshine that day and temperatures hitting 99 degrees.<\/p>\n<p>Should the high pressure loosen its grip on Texas, that could allow more rain-friendly weather systems to enter the picture, forecasters said.\u00a0<\/p>\n<p class=\"uiTextSmall f aic jcc\">Article continues below this ad<\/p>\n<p>\u201cRidging (of high pressure) may finally begin to break down by next\u00a0weekend, with a more active pattern possible as flow turns more<br \/>northerly,\u201d the weather service said. \u201cFor now, we will remain optimistic about a pattern shift\u00a0for the region.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"Although most Texas temperatures will max out in the 90s, the humidity-driven heat index values will continue to&hellip;\n","protected":false},"author":2,"featured_media":421730,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[82,84,83],"class_list":["post-421729","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\/421729","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=421729"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/posts\/421729\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media\/421730"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/media?parent=421729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/categories?post=421729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-tx\/wp-json\/wp\/v2\/tags?post=421729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}