{"id":6309,"date":"2025-07-19T07:50:37","date_gmt":"2025-07-19T11:50:37","guid":{"rendered":"https:\/\/us.weatheramerica.com\/?p=6309"},"modified":"2025-07-19T07:50:37","modified_gmt":"2025-07-19T11:50:37","slug":"weather-illinois-storms-flood-risks-and-rising-heat","status":"publish","type":"post","link":"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/","title":{"rendered":"Weather Illinois: Storms, flood risks and rising heat"},"content":{"rendered":"<p><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6310\" src=\"http:\/\/us.weatheramerica.com\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907.jpg\" alt=\"illinois storms-1907\" width=\"2121\" height=\"1414\" srcset=\"https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907.jpg 2121w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-768x512.jpg 768w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-1536x1024.jpg 1536w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-2048x1365.jpg 2048w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-330x220.jpg 330w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-420x280.jpg 420w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-615x410.jpg 615w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-860x573.jpg 860w, https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907-219x146.jpg 219w\" sizes=\"auto, (max-width: 2121px) 100vw, 2121px\" \/><\/p>\n<p><strong>Central Illinois<\/strong> is bracing for a <strong>stormy weekend<\/strong>, as a volatile <strong>weather pattern<\/strong> begins to unfold across the region, bringing with it <strong>multiple rounds of thunderstorms<\/strong>, the risk of <strong>damaging winds<\/strong>, and the potential for <strong>localized flooding<\/strong>.<\/p>\n<h3><\/h3>\n<h3><strong>Saturday could bring two waves of storms<\/strong><\/h3>\n<p>The <strong>NOAA Storm Prediction Center<\/strong> has placed <strong>all of northern and central Illinois<\/strong> under a <strong>severe weather threat<\/strong>. The first round of <strong>thunderstorms<\/strong> is expected to arrive <strong>Saturday morning into the early afternoon<\/strong>, with the potential to deliver <strong>gusty winds<\/strong> capable of causing damage. This <strong>initial wave<\/strong> may be followed by a <strong>brief lull<\/strong> in activity during the mid to late afternoon, offering a <strong>temporary break<\/strong> from storm conditions.<\/p>\n<p>However, as <strong>Saturday evening<\/strong> approaches, another <strong>potentially severe round of storms<\/strong> could sweep through the area. While the exact <strong>timing and location<\/strong> of this second wave remains uncertain, the threat of <strong>isolated tornadoes<\/strong> and <strong>intense downpours<\/strong> cannot be ruled out.<\/p>\n<h3><\/h3>\n<h3><strong>Heavy rain and flash flooding through early week<\/strong><\/h3>\n<p>This <strong>stormy pattern<\/strong> is unlikely to let up quickly. <strong>Waves of rain and storms<\/strong> are forecast to persist through <strong>Tuesday<\/strong>, with <strong>most locations<\/strong> in <strong>central Illinois<\/strong> expected to pick up between <strong>1 and 3 inches<\/strong> (25 to 75 mm) of rainfall. However, <strong>localized totals<\/strong> could be significantly higher, especially where <strong>repeated storm bands<\/strong> develop. This increases the <strong>risk of flash flooding<\/strong>, particularly in low-lying or poorly drained areas.<\/p>\n<h3><\/h3>\n<h3><strong>Hot, humid air returns midweek<\/strong><\/h3>\n<p>As the <strong>storm chances diminish<\/strong> by the <strong>middle of next week<\/strong>, <strong>heat and humidity<\/strong> will take over. <strong>High temperatures<\/strong> will climb into the <strong>90s\u00b0F (32\u201337\u00b0C)<\/strong>, while <strong>dew points<\/strong> remain high, driving the <strong>heat index<\/strong> over <strong>110\u00b0F (43\u00b0C)<\/strong> in some areas. This incoming <strong>heat wave<\/strong> will be the dominant weather story for the <strong>latter half of July<\/strong> across <strong>Illinois<\/strong>.<\/p>\n<p>Residents in <strong>Peoria<\/strong>, <strong>Bloomington<\/strong>, <strong>Springfield<\/strong>, and surrounding communities should stay <strong>weather-aware<\/strong> through the weekend and into early next week. <strong>Severe thunderstorm alerts<\/strong>, <strong>flash flood warnings<\/strong>, and <strong>heat advisories<\/strong> are all possible as this <strong>active weather pattern<\/strong> unfolds.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Central Illinois is bracing for a stormy weekend, as a volatile weather pattern begins to unfold across the region, bringing with it multiple rounds of thunderstorms, the risk of damaging winds, and the potential for localized flooding. Saturday could bring two waves of storms The NOAA Storm Prediction Center has placed all of northern and [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":6310,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6309","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Weather Illinois: Storms, flood risks and rising heat - United States - Weather America<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Weather Illinois: Storms, flood risks and rising heat - United States - Weather America\" \/>\n<meta property=\"og:description\" content=\"Central Illinois is bracing for a stormy weekend, as a volatile weather pattern begins to unfold across the region, bringing with it multiple rounds of thunderstorms, the risk of damaging winds, and the potential for localized flooding. Saturday could bring two waves of storms The NOAA Storm Prediction Center has placed all of northern and [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\" \/>\n<meta property=\"og:site_name\" content=\"United States - Weather America\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-19T11:50:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2121\" \/>\n\t<meta property=\"og:image:height\" content=\"1414\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Noah Williams\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Noah Williams\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\"},\"author\":{\"name\":\"Noah Williams\",\"@id\":\"https:\/\/weatheramerica.com\/us\/#\/schema\/person\/c808bf418bd53f12f696edc5ba743beb\"},\"headline\":\"Weather Illinois: Storms, flood risks and rising heat\",\"datePublished\":\"2025-07-19T11:50:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\"},\"wordCount\":334,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/weatheramerica.com\/us\/wp-content\/uploads\/sites\/2\/2025\/07\/illinois-storms-1907.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\",\"url\":\"https:\/\/weatheramerica.com\/us\/2025\/07\/19\/weather-illinois-storms-flood-risks-and-rising-heat\/\",\"name\":\"Weather Illinois: Storms, flood risks and rising heat - 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