Upper-level moisture influx creating beautiful cirrus and persistent contrails today. Look up! #cowx

*MONTHLY RECAP* August 2025 Graphical Weather Review 🌡️🗓️☔️ August 2025 was on track to be our third scorcher in a row — hot, dry, and smoky — until a late-month shift brought in a welcome stretch of cooler, wetter weather: bouldercast.com/august-2025-... #COwx #Colorado #Boulderwx

#Narda has weakened to a Cat 1 hurricane in the eastern Pacific. It's expect to recurve north and east in the days ahead, but poses no threat to Colorado (not even from any moisture injections). Fun fact: This is only the second ever hurricane to be named Narda. #COwx

*Premium* BoulderCAST Daily – Fri 09/26/25 | A warm & quiet end to the week, Saturday will offer the best viewing conditions for fall colors: bouldercast.com/bouldercast-... #COwx #Colorado #FallColors

🌞🏔️ COLORADO WEEKEND OUTLOOK 📸 🍂 A picture-perfect 1st weekend of autumn lies ahead as the Front Range stays warm & dry into next week with only weak weather features brushing our area. This & more in our latest *Premium* weekend outlook: bouldercast.com/this-weekend... #COwx

💦 Storm rainfall total 1.24" in Boulder 🥇 NEW daily precipitation record for September 23rd (0.97") 🌊 Tuesday was the 2nd wettest September day in Boulder since the 2013 Flood

The party is over 😔 #cowx

TUESDAY 5:30PM UPDATE: Up to 1.32". Light to moderate rain continues to soak the entire Front Range, as it has done all day. Short-range guidance indicates the end is near with the precip shield collapsing in the next ~2 hours. Spotty showers and fog will linger overnight #COWX

Snowy Fremont Pass north of Leadville Tuesday. Zero travel issues with wet roads even at 11,300 feet #cowx

TUESDAY 1:45PM: Just passed 1" and it just keeps coming! #COWX

The first full day of autumn is a wet on in Front Range #Colorado! #COWX

TUESDAY 9:30AM UPDATE: Over 0.75" of rain already at our station since midnight. 49 degrees and falling slowly. Widespread rain will continue all day into the evening, ending around midnight. Totals of 1-1.5" are favored for much of the area. Locally 2"+.

After a quick shot of storms and mountain snow last night, it's a beautiful sunny morning in Buena Vista ☀️ #cowx

❄️ Snow levels are currently near ~10,500 feet west of Denver but they will continue to drop, especially afternoon into evening. This is the view from the Eisenhower Tunnel where snow dusts the trees and grass Tuesday morning #cowx

The upslope rain machine is running at full speed this morning and will be all day long. Isn't it glorious?! 🌀 #cowx #Colorado #dwnver

*Premium* BoulderCAST Daily – Tuesday 09/23/25 | Wet and chilly on the Plains; Cold with snow above 9000 ft: bouldercast.com/bouldercast-... #cowx #rain #colorado #denver

Storm clouds billowing over Mount Princeton this evening. A wet next 24 hours lies ahead (snowy above 10k feet) 🏔️ #cowx

The incoming upper-low pressure is a small one but potent, & now appears to be taking a slightly further southward track. Probability of 1"+ of rain falling in Boulder/Denver is increasing Monday PM through Tuesday PM! 💦 This is the short-range model ensemble mean precip #COWx

This Week in Colorado Weather: A Cold & Soggy Start to Autumn This week’s weather kicks off with a dramatic autumn shift—widespread soaking rain, clouds, and a serious temperature drop that will even bring snow to the High Country. Let's discuss: bouldercast.com/this-week-in... #COwx #colorado

Few spotty showers rolling through this Saturday evening interrupting a gorgeous sunset for some #cowx

Colorado looking good, albeit brown, these days #cowx

The snow capped Longs Peak towers above patches of yellow aspens this evening #cowx

The elk dating scene is active in Rocky Mountain National Park #colorado #rmnp

These days is stays dark so late in the morning here in Colorado. But sunrise this morning was lovely.

*Premium* This Weekend in Colorado Weather: Quiet days ahead with warmth returning, but another cooldown is likely early next week: bouldercast.com/this-weekend... #colorado #COwx

Finally a day where EVERYONE in northeast Colorado got rain! What a beautiful sight...💦 #COWX #Colorado

Late evening line of weak storms pushing through now! 🎉 #cowx

Storms intensifying as they head into the more favorable northeast corner of Colorado this evening #cowx

⛈️⚠️ Tuesday will feature mostly cloudy skies and cooler temperatures with a conditional risk of damaging hail, mainly east of Denver. We stay unsettled through Thursday. This & more in today's *Premium* forecast discussion: bouldercast.com/bouldercast-... #COwx #Hail #Colorado

This Week in Colorado Weather: From Sunshine to Showers: A Gloomy Stretch Lies Ahead 🌞📉🌧️ After a sunny & warm start to the week, the Front Range will trade blue skies for gray as a slow storm system settles into NE Colorado for several days: bouldercast.com/this-week-in... #COWX #Denver #Boulder

Fresh snow this morning in Rocky Mountain National Park, even below treeline. 🏞️ ❄️. #cowx

Hypothesis: Morning rain is the best rain 🌧️ #cowx

Good soaker in Boulder today! ⛈️ Spotty showers and a few storms will linger through the evening, overnight and even into Sunday morning. Best chance to see accumulating snow along the Continental Divide still lies ahead #cowx

Wall of rain (and high peak snow) coming over the Divide now. Likely some rain for most of us inbound 😊 #cowx

Soggy weather & localized flooding ongoing across W Colorado this afternoon. Snow levels currently at ~12,000 feet in the San Juans. Showers & storms are expected to spread in the Denver-Boulder area this afternoon & evening. Low-level dry air will temper impacts, though #COWX #Colorado #COsnow

🥵 The observed high temperature in #Boulder on Wednesday was 93°F, our first 90-degree day in three weeks. It was a good run! We're up to 39 days of 90°+ for 2025 which is already above the full-year norm of 37. #COWX

We're trending somewhat cooler and wetter as a Pacific trough clips Colorado — and yes there will be Mountain snow! We've also tracking some needed rainfall for western Colorado where drought rages on ❄️⛰️📉 This and more in our latest *Premium* weekend outlook: bouldercast.com/this-weekend... #COwx

Weak, spotty thundershowers passing through now through early evening. Light rain, gusty winds and CG lightning 🌩️ #cowx

THIS WEEK IN COLORADO WEATHER: Warm with minimal smoke but daily storms 📈🏔️🌦️ The days ahead are shaping up to be much more pleasant with warmer temps, limited storm chances, and a break from the smoke (for now). Here's the latest: bouldercast.com/this-week-in... #Cowx #Colorado

Morning low of 43F observed in Boulder Saturday morning, coldest reading since May 31st. Autumn is near... #COWX

GOODBYE SMOKE! After a smoky few days in the Front Range, we'll see significant clearing today into Monday with winds shifting. We should also be in the clear for the upcoming week with continued SW flow keeping Canadian smoke at bay #cowx More: bouldercast.com/colorado-smo...

The smoke is laid on thick over the Front Range today. #cowx

Quick showers hitting the Foothills and Boulder this afternoon. Brief light rain #cowx

Birds of prey watching the wall of smoke approach Boulder last night. Any bird people care to identify? Red tailed hawks or ospreys?

FRIDAY 8:00AM: It was touch and go for a few hours last night, but air quality has improved this morning. Still hazy and not great, but currently just Moderate PM2.5 across the Denver area. #cowx #smoke

It was just an ordinary late-summer evening in #Boulder, until it wasn't... How it started: ⛰️⛅️😎 How it ended: 🌫️😶‍🌫️😷 #COWX #Smoke #ThanksCanada

7PM SMOKE UPDATE : Thick smoke splits the Metro area in half. Unhealthy air quality where it has hit. Just felt a few raindrops as well. Smoke is expected to improve gradually late night into Friday. #cowx

SMOKE UPDATE THURSDAY 6:00PM: It's coming. Longmont, Loveland, Mead and Berthoud are lost. Smoky front still working south and west. Niwot, Erie, & Boulder are next... #COwx

⚠️HEADS UP COLORADO: SMOKE & POOR AIR QUALITY ARE APPROACHING!🔥💨 Thick smoke from out-of-state wildfires will accompany a blustery cold front coming into the Denver area this evening from the northeast. PM2.5 air quality will spike to 100-200 for at least several hours. Close any windows ASAP! #COwx