BoulderCAST Weather 🏔️⛈️

5:45PM: Temperatures starting to cool in town as the sun lowers. Today's highs: ⭕️ Boulder Airport: 87.6 F ⭕️ CU East : 88.1 F ⭕️ NCAR Foothills: 88.4 F ⭕️ BoulderCAST: 89.8 F Official Boulder high TBD, but likely 88-89F, shattering the March 25th record by 10+ deg. #COWx

Confidence starting to increase for scattered to numerous showers behind Thursday's cold front during the evening into Friday AM. Short-range guidance starting to align w/ global models for 0.1-0.3" in/near the Foothills, including Boulder. Light snow in Foothills >7000ft #COwx

WEDNESDAY 2:30PM UPDATE: Up to 88°F at Boulder Airport with 12% humidity and winds gusting 15-25 MPH. This is just below Red Flag wind criteria. Ignitions can still happen very easily and spread. Stay vigilant and aware. No flames or sparks! #COwx #Boulder

@Want2RunAgain Makes sense. The drought is here and no signs of real change. In recent droughts they waited until April/May to set these restrictions, though those droughts were not as bad as this year in the Mtns.

@BoulderCAST Insane! Denver is already imposing stage 1 drought restrictions. In March.

Nothing like Mother Nature breaking the March 25th daily record high while you are still sipping your morning coffee ☕ Up to 79°F as of 11AM. Still another 7 to 10°F of warming expected during the sunny afternoon hours 🌞 #COwx #Boulderwx #Heatwave #Colorado

@Want2RunAgain Some of these might be optmistic

@BoulderCAST Saw this article about the ski resorts closing early this year. 😥 cpr.org/2026/03/20/col…

An overwhelming majority of SNOTEL sites across Colorado are reporting their lowest snowpack on record for March 22nd. This will worsen this week with numerous days of record heat in the forecast. #COwx #colorado

Boulder Colorado sunset clouds tonight. 7:25,26 and 27pm You can even see about a third of a moon in the last one. On a warm June - I mean March evening. @BoulderCAST @BianchiWeather

We've got the latest details on Wednesday's monthly record high push, Thursday's cold front and rain/snow chances, and the subsequent chilly Friday in today's *Premium* forecast discussion: bouldercast.com/bouldercast-da… #COWx #Colorado

For the 6th time in the last 7 days, Boulder set a new DAILY record high temperature on Tuesday reaching 79°F, slashing the prior March 24th record of 76° set in 1998. Record highs are expected again today (88°) & Thursday (lower 80s) before a Friday cooldown. #COWX #Boulder

@Want2RunAgain :(

Good Tuesday morning! A few updates on the second prong of the "warm-wave" this week... 🥵 Tuesday/Wednesday are guaranteed to set new daily record highs in the 80s 🥵 Wednesday carries a small chance (~20%) to reach 90°, to set a new monthly record high and become earliest 90° day 🥵 Timing of cold front on Thursday *should* allow for one final 80°+ day and another daily record high 🧊 Friday much cooler in the 50s #COwx #colorado #Boulder #Boulderwx #Heatwave

Ignore duplicate March 26th listing...

@Boulderchick Very nice, they started to die out a bit towards sunset for your photos. thanks for sharing.

@BoulderCAST From the Northwest 1st pic Southwest 2nd Central Boulder

Several streets of spinning rotor clouds formed just west of Boulder Monday evening. #cowx #boulder

FYI

@wisemannerisms Here you go: #version=2&elements=&networks=!&states=!&counties=!&hucs=&minElevation=&maxElevation=&elementSelectType=any&activeOnly=true&activeForecastPointsOnly=true&hucLabels=false&hucIdLabels=false&hucParameterLabels=true&stationLabels=&overlays=&hucOverlays=&basinOpacity=75&basinNoDataOpacity=25&basemapOpacity=100&maskOpacity=0&mode=data&openSections=dataElement,parameter,date,basin,options,elements,location,networks&controlsOpen=true&popup=&popupMulti=&popupBasin=&base=esriNgwm&displayType=station&basinType=6&dataElement=WTEQ&depth=-8¶meter=PCTMED&frequency=DAILY&duration=I&customDuration=&dayPart=E&monthPart=E&forecastPubDay=1&forecastExceedance=50&useMixedPast=true&seqColor=1&divColor=7&scaleType=D&scaleMin=&scaleMax=&referencePeriodType=POR&referenceBegin=1991&referenceEnd=2020&minimumYears=20&hucAssociations=true&relativeDate=-1&lat=37.6327&lon=-105.1419&zoom=9.0" target="_blank" rel="nofollow noopener">nwcc-apps.sc.egov.usda.gov/imap/#version=…

@BoulderCAST may I please ask where I can search where exactly these SNOTEL sights are located? I’m curious about where the Sangre de Cristo/Rio Grande is located? thanks!

@Boulderchick @BianchiWeather Nice catch these are rotor clouds

These clouds at 8p in Boulder Colorado So cool @BianchiWeather @BoulderCAST What dis?

@CT1188__ Universal or Zulu Time :)

@BoulderCAST How can it be Sunday’s record with a reading on Saturday?

For the FIFTH day in a row, Boulder set a daily record high on Sunday March 22nd reaching 85°, though this reading technically occurred Saturday evening at 6PM local time. The prior record was 80° from 1910 #COWx #Boulderwx #Boulder

Bear Lake in Rocky Mountain National Park is one bright (or, not so bleak) spot