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BoulderCAST Weather 🏔️⛈️
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The official BlueSky account of BoulderCAST, a team of local meteorologists that forecast Boulder and Denver weather as well as nearby mountain conditions.
❄️ WINTER WEATHER UPDATE ⚠️

After 221 days, our historic snow drought likely comes to an end during what will (eventually) be a bitter cold holiday weekend in the Front Range.

Here's the latest on timing, details, and snow amounts: bouldercast.com/winter-weath... #COwx #Colorado #Denver #Snow
Winter Weather Update: Historic snow drought likely comes to an end during what will be a bitter cold holiday weekend in the Front Range
After weeks of unseasonable warmth, the Front Range is staring down its first taste of winter. Mild weather will continue for the next few days, including a beautiful Thanksgiving holiday, but by Frid...
bouldercast.com
November 26, 2025 at 4:07 PM
Quiet weather will unfold across the Front Range through Friday afternoon, but much colder temperatures and snow are on-track for the weekend❄️

This & more in today's *Premium* forecast discussion: bouldercast.com/bouldercast-... #COwx #Colorado #LetItSnow
BoulderCAST Daily – Tue 11/25/25 | Quiet weather through Friday afternoon, but much colder temperatures and snow are on-track to arrive this weekend
🌡️ A dry cold front dropped temps ~15°F in an hour before sunrise this morning; today’s highs only in the low–mid 40s (well below our 52°F average). 💨 Gusty winds will be around east of DIA (30–45 MPH...
bouldercast.com
November 25, 2025 at 2:55 PM
This Week in Colorado Weather: A pleasant lead up to Thanksgiving, but big changes are brewing for the weekend 🦃📉☃️

The details are still coming into focus, but we’ve got the latest outlook and what it could mean for your holiday weekend plans: bouldercast.com/this-week-in... #COwx #Colorado #Snow
November 24, 2025 at 3:55 PM
Another late November rain storm impacting portions of eastern Colorado today, and this one too stays away from Boulder. Widespread rain falling in the Springs, Pueblo and Limon. Some showers on far southeast side of Metro area #COWX
November 23, 2025 at 11:21 PM
It's been 25 days, but precipitation returned to Boulder Thursday night. 0.01" is now in the books for the month of November! #Cowx
November 22, 2025 at 5:45 AM
Now that the storm is closing in, confidence is finally improving on the forecast: we’re looking at a light precip event for the Front Range, with rain the only worry across the lower elevations (snow 7000+ feet) ☔️🏔️

Here's the latest: bouldercast.com/forecast-upd... #COwx #Colorado #Denver #NoSnow
Forecast Update: Weakening storm to bring light rain to the Metro area Thursday evening, light snow in the Foothills
It’s been a tricky week for the weather models — and for us forecasters trying to make sense of it all. Our latest storm system has kept everyone on their toes, thanks to a complicated dance between t...
bouldercast.com
November 20, 2025 at 6:59 PM
🏆NEW LATEST FIRST SNOWFALL RECORD SET IN BOULDER ☃️

November 19th & counting...

Prior record was November 17th (2016 & 2021). Based on official daily snowfall data back to 1948.

With the Thu/Fri storm likely to be only rain, our next snow chance won't be until ~Nov 26th! #COWX #Boulderwx
November 19, 2025 at 6:29 PM
High-res guidance starting to get a look at *most* of the storm. Not surprisingly, the spread in the short-range guidance is still substantial.

Means are somewhat close to global models though. 0.25-0.5" Denver Metro, 0.5"+ eastern Plains. #COWX
November 19, 2025 at 5:30 PM
Well, a complicated forecast remains for the late-week autumn storm headed for eastern Colorado as models continue to be all over the place on how two low pressures will interact in the West.

Here's what we know right now (it gonna rain): bouldercast.com/forecast-upd... #COWx #Colorado #Denver
Forecast Update: A complicated forecast remains for the late-week storm, but whatever transpires will fall as chilly rain for the lower elevations
Enjoy Wednesday's sunshine while it lasts—it's the calm before a complicated storm setup arrives tomorrow. A pair of low‑pressure systems are set to interact in a complicated manner late Thursday into...
bouldercast.com
November 19, 2025 at 3:07 PM
Tuesday 10:30PM: The #RealizationFire just west of Boulder. 2 acres. Slow moving. No evacuations at this time. Location approximate. Very likely within the circled area. #COwx #COfire #Boulder
November 19, 2025 at 5:42 AM
🔥 NEW WILDFIRE: A small wildfire fire is burning somewhere above Boulder Canyon right now. Visible west of Boulder. The image below shows the "star" on Flagstaff and the fire on the ridge behind it. Exact location or size unknown as of now #Boulder #COWX

Live : alertcolorado.live/cam-console/...
November 19, 2025 at 4:58 AM
Well, it's officially snowed in Hawaii before Denver this year. What a time to be alive! #cowx
November 18, 2025 at 9:30 PM
Late week uncertainty lingers as a moist southern-track low moves into eastern Colorado Thursday night into Friday #cowx
November 18, 2025 at 9:26 PM
🌡️6 NEW temperature records set in HOT-VEMBER in Boulder

All-Time Monthly High:
81° on Nov 2nd (80° 11/16/2016)

Daily Record Highs
81° on 2nd (79° 1931)
74° on 13th (tied 1999)
78° on 14th (77° 1990)

Daily Record Warm Mins
54° on 11th (52° 1956)
53° on 15th (tied 2021)
#COwx
November 17, 2025 at 8:25 PM
🌧️❄️ After weeks of unseasonable warmth and bone‑dry skies, the Front Range is finally staring down a pattern shift this week. But will it deliver the moisture we’ve been waiting for—or just more wind and disappointment?

Let's discuss: bouldercast.com/this-week-in...
November 17, 2025 at 3:26 PM
That's not a radar glitch, folks! Actual rain and snow showers will be moving across the Front Range overnight. There's even some thunder snow mixed in across the mountains. A few brief gusty rain showers from 9pm-1am in Boulder/Denver ☔ #cowx
November 17, 2025 at 3:16 AM
Fourth consecutive day in the 70s! And this wispy ice cloud was showing off with a sundog this afternoon #cowx
November 16, 2025 at 11:43 PM
These wanted to be Kelvin-Helmholtz clouds so bad but the atmosphere just wouldn't cooperate #cowx
November 16, 2025 at 1:31 AM
Yet another ridiculously warm November day is in the books #cowx
November 16, 2025 at 1:17 AM
🏆 Boulder set a new record high for November 14th on Friday reaching 78 degrees. Prior record 77 (1990)

🌡️ This was the third new daily record high set this month, in addition to setting a new all-time November record high

🔥 7 of 14 days in November have been above 70 #COWX #Boulderwx #Colorado
November 15, 2025 at 3:58 PM
Fire now 100% contained, having burned 8 acres of open space grass.
🔥 NEW FIRE IN BOULDER: As of 3PM Friday, a small 1-2 acre grass fire has ignited on the southeast side of Boulder near point of Cherryvale Rd where it crosses over US-36.

Current weather at the fire location: 75 degrees, humidity of 10%, winds gusting up to 18 MPH from the WSW. #COwx #Boulder
November 14, 2025 at 10:48 PM
🔥 NEW FIRE IN BOULDER: As of 3PM Friday, a small 1-2 acre grass fire has ignited on the southeast side of Boulder near point of Cherryvale Rd where it crosses over US-36.

Current weather at the fire location: 75 degrees, humidity of 10%, winds gusting up to 18 MPH from the WSW. #COwx #Boulder
November 14, 2025 at 10:19 PM
Warm & dry conditions continue through Sunday with a record late first snow now all but certain for Boulder. Mountain snow & lower elevation rain showers Sunday night will precede a cooldown early next week.

This & more in our latest *Premium* weekend outlook: bouldercast.com/this-weekend... #COwx
This Weekend in Colorado Weather: Warm & dry conditions continue with a record late first snow now all but certain for Boulder
🌞 Record warmth: Boulder tied its November 13 record high at 74°F, with unseasonable warmth continuing through Sunday. 🌊 California low + atmospheric river: A slow-moving storm offshore is fueling hea...
bouldercast.com
November 14, 2025 at 3:45 PM
🏆 November 13th record high tied in Boulder today. 74 degrees, previously reached in 1999 also. It was as warm as parts of Florida. #COWX
November 14, 2025 at 4:40 AM
Back into the 70s again on this beautiful Thursday. You know, totally normal weather for mid-November in Colorado!

We'll be butting up against #Boulder's November 13th record high of 74°F (set in 1999) later this afternoon.

Will we break it? #COwx
November 13, 2025 at 6:12 PM