1:00 PM Yesterday: 102° 1:00 PM Today: 64° 24-Hr Change: -38°🥳 Western Coloradans: What cold front? #Colorado #COwx #DEnver #Coldfront

Monday's (largely) dry lightning fortunately didn't spawn any new fires in the Front Range #COWX

What a relief! Can you believe it's in the mid-50s this morning? #COWx #Denver #weather

#Boulder tied its ALL-TIME RECORD HIGH TEMPERATURE on Monday at 104° 🔥🌡️💥 🔴 NEW monthly record for August (102° from 1936) 🔴 NEW daily record for August 3rd (98° from 1954) 🔴 5th 100°+ day of 2026, 2nd most in a single year (6 in 1954) 🔴 20th record high tied/broken in 2026 (most all-time) #COwx

The Pacific Northwest wildfire smoke has arrived into Denver and Boulder at ground level. The air is Unhealthy for Everyone right now. Windows shut! 🏭 #COWX #AirQuality #Colorado #Denver #Smoke

MON August 2nd 4:45PM Update: Cold front coming south through the Metro area now with gusty winds to 40 MPH and tumbling temps. Finally, some relief...and maybe a few rain drops if you're lucky 🎉 . Worst surface smoke is a few hours behind the front #cowx

Boulder currently leading the pack around the Denver area, unofficially at 104° at 2PM. This is in the ballpark of the city's all-time record high set back in 1954. Likely will see temps decline through the afternoon in many areas as virga develops creating "cool" outflows #COWX

🏆 Boulder Municipal Airport tied its ALL-TIME temperature record on Sunday hitting 104° around 3:30PM, a reading last reached in June 2012. NOTE: Boulder Airport weather data only extends back to ~2010 and it is not the official weather station for the city. #COwx #Boulderwx

🏅 NEW daily record high temperature for August 2nd set in #Boulder on Sunday at 101° (prior 99° in 2008) 🥈2nd hottest August temp ever recorded 4⃣ 4th 100° day of 2026, tied for 2nd all-time behind 1954 (6) 🤯 19th daily record high tied/broken in 2026 (most ever in a calendar year by a mile) #COwx

This Week in Colorado Weather: One Last Sizzler Before a Smoky Front Blasts Through 🔥🌡️📉🌫️ A blistering heat wave will end with one of the more dynamic forecast days we’ve seen all summer but the cooldown will be brief, and smoke-laden: bouldercast.com/this-week-in... #COwx #Colorado #denver #weather

Nothing but a few stray sprinkles over Colorado's Rockies today as high pressure and seasonally hot & dry air dominate. #COWX #Monsoon #Drought #colorado #denver

Mixed feelings about Monday evening's smoke-laden cold front. It'll shave ~25° of our high temperatures (101->78°), but it will also increase ground-level smoke particulates in Denver by a factor of 10... 🤔 Hmm: bouldercast.com/colorado-smo... #COWx #Colorado #Smoke #Denver

Triple digits for basically the entire #Denver Metro area today! 🥵 While not the city's official station, Boulder Airport is currently at 104°, tying the ALL-TIME temperature record for any day of the year there (data only since 2012). We briefly hit 103° at our station. #COwx

A dominant ridge over the Desert drives temps to 100° today and Monday, threatening daily records up and down the Front Range. A significant cooldown comes Tuesday, but there's a catch... thick smoke! This & more in our latest *Premium* discussion: bouldercast.com/bouldercast-... #COwx #denver

BoulderCAST Daily – Sun 08/02/26 | The Front Range Braces for a 100° Doubleheader

🔥 Record Heat — A dominant ridge over the Desert Southwest drives temps near/above 100°F today and Monday, threatening daily records across the Front Range. ⚠️ Heat & Ozone Alerts — Heat Advisory in e...

bouldercast.com

✅ Weekly outlook forecast verification for July 27-31, 2026. Forecast issued 8AM July 20th. Boulder official climate site (when possible) used for verification. 4 days of rain totaling 0.31". 2 days in the 80s. You're welcome 🙂 #COWX #Boulder #BoulderCASTVerification

Happy #Colorado Day! Here's to another 150 years! 🌄 #cowx

FRI July 31st 5:40PM: Got a few raindrops in Boulder but per reader reporting this little cell hitting Longmont is putting down some small hail. This wave is the last of the storms we'll see until next week #cowx

Colorado Forecast Update: Triple Digits & Wildfire Smoke Loom Again as the Monsoon Temporarily Shuts Down🌡️🏜️ We break down the pausing monsoon, the ridge, the records, the smoke & the eventual (brief) cooldown: bouldercast.com/colorado-for... #COwx #Colorado #denver #smoke #Boulder

WED July 29 1:30PM Here we go again! ⛈️ Showers and storms will be around through the afternoon, with lesser chances lingering into the evening. Storms capable of heavy rain, wind and lightning. And another day BELOW 90 degrees! #cowx #denver

A busy monsoon evening across Colorado, with dangerous flooding occurring over the nascent Aspen Acres Fire burn scar in southern Colorado SW of Pueblo. Particular Dangerous Situation (PDS) Flash Flood Warnings blanket the area. #COWx

⚠️ Monsoon storms coming off the terrain a bit early today. Hopefully a sign of a good wallop for the rest of the day. You have been warned! #cowx

3rd WARMEST NIGHT ON RECORD IN DENVER! 🛌🥵 The lowest temperature recorded in Denver on Monday was 74° at 11:59PM in the evening, setting a NEW daily record warm minimum for July 27th (prior record 72° from 1931) . #COwx #Colorado #Denver

WARM NIGHT RECORD! 🛌🥵 The lowest temperature recorded in Boulder Sunday night was 75°, setting a NEW daily record warm minimum for July 27th (prior record 70° from 1919). This means Sunday night tied for the warmest night in Boulder since the summer of 1954, 72 years ago! #COwx #Boulder

Monsoon moisture is loaded up for Tuesday! We're tracking widespread late‑day storms, torrential rain, severe storms, and a flood risk across eastern CO. And yes… we do it all again tomorrow. This & more in today's *Premium* forecast discussion: bouldercast.com/bouldercast-... #COWx #colorado

BoulderCAST Daily – Tue 07/28/26 | Front Range Primed for Widespread Thunderstorms as Monsoon Reloads

🌩️ Monsoon moisture surge — Deep moisture availability today, both aloft and at the surface, will fuel numerous afternoon/evening thunderstorms. 💨 Severe wind threat — The SPC highlights I‑25 eastward...

bouldercast.com

Mesmerizing view from GOES-West Monday morning as the sun rose to reveal explosive Category 5 Hurricane #Genevieve in the eastern Pacific. Max sustained winds were 160 MPH, now 155 MPH Big things are expected out of the Eastern Pacific this summer/fall with a rapidly developing strong El Niño #COWx

This Week in Colorado Weather: Record-Smashing Heat Gives Way to Stormy Skies — Then Comes the Next Heat Dome Monsoon storms, hurricanes, wildfire smoke, heat domes, 100° records, and more in this week's Colorado weather outlook: bouldercast.com/this-week-in... #COwx #Colorado #Denver

🏆A NEW record high was set in Boulder on Sunday July 26th at 102°, breaking the prior record of 98° from 1935. ♦️Hottest temperature recorded since 2012 ♦️4th time w/ back-to-back 100° days (last June 2012) ♦️18th daily record high tied or broken in 2026 (totally absurd) #COwx #Boulderwx #Boulder

SUNDAY 3PM UPDATE: After hitting 100° earlier, Boulder has cooled off a bit thanks to some gusty virga showers coming off the terrain. Denver remains above 100° for now despite increasing clouds. Meanwhile, several cities in NE Colorado are dangerously approaching 110°F 💥 #COWx

🌡️💥 Boulder soared to 100° on Saturday setting a NEW daily record high temperature for July 25th, besting the prior record of 99° from 1931. 🤯 This was Boulder's unprecedented 17th daily record high set or tied in 2026. #COWX #Boulderwx #ThisIsNormal #Boulder #Colorado

It's a hot Saturday afternoon across Colorado! Do you believe it will be even hotter tomorrow? 😢 #COwx #Hoturday #Colorado