Early-season trough will bring cooler weather and beneficial early-season rain to wildfire-stricken PacNW, and may also bring soon-to-be Hurricane Marie’s remnants toward SoCal over Labor Day

<p>A brutally hot and humid Southern California August and a record-breaking wildfire season across interior PacNW &#38; beyond August ended up being an exceptionally hot month across nearly the entire Southwestern U.S., including across nearly all of SoCal (even coastal areas). In fact, August was (yet again) a record warm month in many locations; in [&#8230;]</p> <p>The post <a href="https://weatherwest.com/archives/44000">Early-season trough will bring cooler weather and beneficial early-season rain to wildfire-stricken PacNW, and may also bring soon-to-be Hurricane Marie’s remnants toward SoCal over Labor Day</a> first appeared on <a href="https://weatherwest.com">Weather West</a>.</p>

2026/9/2
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Major SoCal late August heatwave this week, with modest but growing possibility of tropical storm remnants affecting CA in September

<p>Across Southwest, a mid-late summer characterized by exceptional and sustained overnight warmth Following a record warm winter across most of the American West, it has also been a record (or near-record) warm summer across most of the interior West (and fire season from the Southern Rockies to the Great Basin to the Pacific Northwest has [&#8230;]</p> <p>The post <a href="https://weatherwest.com/archives/43983">Major SoCal late August heatwave this week, with modest but growing possibility of tropical storm remnants affecting CA in September</a> first appeared on <a href="https://weatherwest.com">Weather West</a>.</p>

2026/8/23
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Building Western ridge will bring double-peaked Southwest U.S. heatwave into August, with elevated humidity persisting in SoCal due to very warm ocean

<p>Continued ocean warming brings increasingly warm and humid conditions to coastal SoCal In recent weeks, the Pacific Ocean along the immediate Pacific Coast has continued to warm. Earlier this year, I mentioned that this was not yet due to El Niño because&#8230;well, El Niño had not developed yet (and was, instead, related to other patterns [&#8230;]</p> <p>The post <a href="https://weatherwest.com/archives/43959">Building Western ridge will bring double-peaked Southwest U.S. heatwave into August, with elevated humidity persisting in SoCal due to very warm ocean</a> first appeared on <a href="https://weatherwest.com">Weather West</a>.</p>

2026/7/28
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