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Category: Tropical Weather (Page 1 of 19)
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This week will feature a dynamic stretch of autumn weather in the Front Range including dramatic temperature swings, another influx of tropical moisture, and a midweek warm surge that could push us near 80°F. Following all of that, a late-week trough will bring a chilly front and our best shot at rain, plus there’s a weekend wildcard that might even produce some snow. Curious what’s driving all this weather? We break down the atmospheric setup, moisture sources, and ensemble model data in our latest weekly outlook.
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September 2025 brought a classic Colorado blend to Boulder and the Front Range: near-normal temps, wetter-than-average skies, and a lively mix of sunshine and storms. A standout precipitation event around the 23rd delivered soaking rain in the lowlands and the first real coating of snow to the Mountains. The month eased us gently into autumn, with crisp mornings, comfortable afternoons, and brilliant foliage lighting up the higher terrain. And yes—who could forget that dramatic wave of Canadian wildfire smoke that swept through, reminding us how connected we are to the broader arid landscape of western North America. Here’s a quick and colorful graphical recap of our weather during September and how it relates to climatology.
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Thursday’s shaping up to be a busy weather day across the Front Range. We’re looking at hot temperatures, gusty winds, and a cold front arriving by evening that’ll bring a noticeable drop in temps — along with a wave of wildfire smoke. We’ll walk through what to expect today, how the weekend is shaping up, and whether any moisture from Hurricane Lorena might sneak into the region.
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