![\"Weather](\"https:\/\/www.newsbeep.com\/us-ca\/wp-content\/uploads\/2026\/04\/krgnjs6wlruy2jhj.jpg\")
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LOS ANGELES – Southern California<\/a> is beginning a transition from record-breaking spring heat to a much cooler, unsettled pattern that could bring widespread rain and mountain snow by Friday. according to the National Weather Service.<\/p>\n What we know:<\/p>\n A weak upper-level trough is moving into the region Tuesday, increasing onshore flow and deepening the marine layer.<\/p>\n This shift will drop temperatures by 3 to 6 degrees in most valleys and up to 10 degrees along the coast, according to the latest forecast.<\/p>\n While Wednesday will see a brief return to warmer conditions due to shifting winds, a more significant storm system is tracking toward the coast for the end of the week.<\/p>\n Current forecasts indicate an 80% likelihood of rain across the region, the NWS said.<\/p>\n Rainfall totals are currently estimated at around a half-inch for most areas, though convective “bursts” or thunderstorms could push those totals to an inch or more in specific locations.<\/p>\n In the mountains, snow levels are expected to drop to between 7,000 and 9,000 feet, potentially bringing light accumulations to high-elevation peaks.<\/p>\n Forecasters are also monitoring the potential for isolated flooding if the predicted thunderstorms develop over areas with high soil saturation.<\/p>\n What we don’t know:<\/p>\n The exact timing and intensity of the rain is uncertain.\u00a0<\/p>\n Timeline:<\/p>\n Tuesday: Noticeably cooler; highs drop 3\u201310 degrees with increased coastal clouds.Wednesday: A brief warm-up; expected to be the warmest day of the week.Thursday: Cooling resumes; cloud cover increases as the storm system approaches.Friday Night \u2013 Saturday: Peak storm activity; widespread rain, possible thunderstorms, and mountain snow.Sunday: Lingering showers possible with cool highs remaining in the 60s. <\/p>\n What’s next:<\/p>\n Be prepared for a wet weekend by clearing gutters and securing outdoor items, as gusty winds may accompany the Friday night front.\u00a0<\/p>\n Drivers should anticipate slick roads and potential travel delays, particularly on mountain passes where snow or heavy downpours could impact visibility.<\/p>\n The Source: This report is based on information from the National Weather Service.<\/p>\n Weather<\/a>Los Angeles County<\/a>Orange County<\/a>Ventura County<\/a>Riverside County<\/a>San Bernardino County<\/a>Inland Empire<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"LOS ANGELES – Southern California is beginning a transition from record-breaking spring heat to a much cooler, unsettled…\n","protected":false},"author":2,"featured_media":256171,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1184,7,9,8,5519,137,100,611,612,5518,1181,1226,19],"class_list":{"0":"post-256170","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-california","8":"tag-ca","9":"tag-california","10":"tag-california-headlines","11":"tag-california-news","12":"tag-ie","13":"tag-los-angeles-county","14":"tag-news","15":"tag-orange-county","16":"tag-riverside-county","17":"tag-san-bernardino-county","18":"tag-us","19":"tag-ventura-county","20":"tag-weather"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/256170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=256170"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/256170\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/256171"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=256170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=256170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=256170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}