{"id":290179,"date":"2026-09-20T08:34:27","date_gmt":"2026-09-20T08:34:27","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-pa\/290179\/"},"modified":"2026-09-20T08:34:27","modified_gmt":"2026-09-20T08:34:27","slug":"impact-day-waves-of-rain-flooding-risk-for-western-pa","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-pa\/290179\/","title":{"rendered":"Impact Day: Waves of rain, flooding risk for western PA"},"content":{"rendered":"<p>Impact Day: Waves of rain, flooding risk for western PA<\/p>\n<p>This is the beginning of a soggy week.<\/p>\n<p><a href=\"https:\/\/www.wtae.com\/news-team\/44db4ebc-71f0-44ed-add5-81b1e96852b0\" aria-label=\"Jill Szwed profile page\" class=\"css-15eikfp\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/us-pa\/wp-content\/uploads\/2026\/09\/1789893267_837_44db4ebc-71f0-44ed-add5-81b1e96852b0_1707775958.png\" width=\"48\" height=\"48\" alt=\"Jill Szwed\" loading=\"lazy\"\/><\/a>PITTSBURGH \u2014<\/p>\n<p data-node-id=\"0\">Periods of rain will continue through mid-afternoon for western Pennsylvania. The axis of heaviest rain will set up near the I-70 corridor. It&#8217;s back-to-back Impact Days now to kick off the new week.<\/p>\n<p>Impact Days for periods of rain through Monday<\/p>\n<p data-node-id=\"2\">Today and tomorrow are Impact Days for periods of rain. The wet weather will stretch through mid-afternoon today. We will have to watch areas south of Pittsburgh for flooding. Rounds of heavy rain will hit these spots.<\/p>\n<p>Monday is now an Impact Day for two main waves of rain: one in the morning and another arriving by the evening. Rain showers will linger into Tuesday.<\/p>\n<p>Fall air arrives<\/p>\n<p data-node-id=\"4\">Along with a soggy set up, we are tracking the arrival of fall air this week. And it&#8217;s just in time for the first day of fall on Tuesday. Our highs will likely stay in the 60s until next weekend with some of us potentially staying in the 50s for highs by midweek. Wednesday will be the &#8220;chilliest&#8221; day.<\/p>\n<p>Drying out by the weekend<\/p>\n<p data-node-id=\"6\">This week&#8217;s rain totals could be in the range of 1.5&#8243; to 3&#8243;. Flash and river flooding are possible with this amount of rain coming our way. Areas south of Pittsburgh will likely deal with the brunt of the heavy rainfall. The outlook is drier starting on Thursday and through next weekend.<\/p>\n<p data-node-id=\"7\">SUNDAY &#8211; Impact Day: Rain, heavy at times. High: 72\u00b0, low: 57\u00b0.<br \/>MONDAY &#8211; Impact Day: More rain. Cloudy and cooler. High: 63\u00b0, low: 56\u00b0.<br \/>TUESDAY: Feeling like fall with rain showers. High: 62\u00b0, low: 54\u00b0.<\/p>\n","protected":false},"excerpt":{"rendered":"Impact Day: Waves of rain, flooding risk for western PA This is the beginning of a soggy week.&hellip;\n","protected":false},"author":2,"featured_media":290180,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[37654,120445,21682,3519,11955,54632,120446,39499,57781,4332,73,75,74,2822,16405,108,29040,4328],"class_list":["post-290179","post","type-post","status-publish","format-standard","has-post-thumbnail","category-pittsburgh","tag-back-to-back-impact-days","tag-fall-air","tag-flooding","tag-high","tag-impact-day","tag-mid-afternoon","tag-monday-today","tag-new-week","tag-next-weekend","tag-period","tag-pittsburgh","tag-pittsburgh-headlines","tag-pittsburgh-news","tag-rain","tag-risk","tag-tuesday","tag-wave","tag-western-pa"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/posts\/290179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/comments?post=290179"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/posts\/290179\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/media\/290180"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/media?parent=290179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/categories?post=290179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-pa\/wp-json\/wp\/v2\/tags?post=290179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}