BoulderCAST

Premium BoulderCAST Daily – Sun 11/08/26 | Mild November Weather Continues, Even With A Cold Front Midweek

November 8, 2026 /

Mild temperatures continue today and the start of our work week. Temperatures in the middle to upper 60s will prevail today and Monday with plentiful sunshine. Our normal highs this time of year, just for context, is in the middle 50s. Thus, we are some 10-12 degrees above average across the Front Range. Lows are especially mild too, with only …

Super El Niño Update: A Historic Peak Is Coming. What Do the Latest Models Say for Colorado’s Winter?

November 7, 2026 / / 0 Comments

The tropical Pacific Ocean off the coast of South America is running more than 10 degrees warmer than normal, and this historic El Niño is still strengthening. That raises the question everyone in Colorado is asking: does a super El Niño guarantee a snowy winter? To find out, we dug into the latest forecasts from 10 seasonal climate models, analyzed 131 years of Colorado weather records, and graded how well those models have performed here in the past. The official BoulderCAST winter outlook brings encouraging news for some parts of the state, especially along the Front Range and eastern plains. But for skiers hoping for a blockbuster season in the nearby mountains, the outlook is more complicated and more worrying. And we may have to wait several more months before winter actually shows up.

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Premium BoulderCAST Daily – Sat 11/07/26 | A Pleasant Weekend With Dry Weather For a While…

November 7, 2026 /

Apleasant weekend will be in store for the Front Range. In fact, much of our weather well into next week and perhaps into next weekend will be dry. High pressure ridging sets in today and Sunday. And to be completely honest, it actually remains in place well into next week. In fact, ridging will dominate the western US late next …

Premium BoulderCAST Daily – Fri 11/06/26 | A Cloudy End to the Week But Mild Temps Stay Strong

November 6, 2026 /

Aweak area of low pressure across Arizona brings cloud cover and some weak showers to the state into this afternoon. A weak shear axis is also present from Wyoming into southeast Utah. The low pressure system will drift to the south of Colorado today, but enough convergence and thereby lift will support some light snow showers over the higher terrain. …

A Personal Goodbye to the American NAM Model, Retired After 20 Years

November 5, 2026 / / 2 Comments

The weather world lost a small piece of its history this week with the sunset of the American NAM model. Coincidentally, this model and my meteorology career started almost exactly the same time in 2006. Since then, both have been on quite a journey. While technology marches forward and better models take its place, it’s impossible not to reflect on the role this one played, not just in forecasting, but in shaping the career of countless meteorologists, myself included.

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Premium This Weekend in Colorado Weather: A Long Stretch of Sunshine and Dry Weather Ahead as the Denver Area Eyes Another Very Late First Snowfall

November 5, 2026 /

The midweek disturbance delivered almost exactly what was advertised, sweeping quickly across Colorado yesterday and overnight with a focused but impactful burst of precipitation. Snow fell across much of the high country, especially south of Interstate 70, while portions of southeast Colorado picked up welcome soaking rain. Radar-derived precipitation estimates show a healthy swath of moisture exceeding one-half inch extending …

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