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Gunbarrel, Colorado

Community in Boulder County, Colorado

Air quality

The air at Gunbarrel

Index 22, good, led by ozone. Read at 9 PM from its reporting area, Fort Collins (CO), 31 miles off.

22Good
  • Ozone22Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 37, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Gunbarrel

0.12 in in the last 24 hours, 0.88 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.12in
Last 3 days
0.88in

Visibility

How far you can see at Gunbarrel, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over Gunbarrel, ColoradoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Gunbarrel, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now5 instruments

BoulderBDU

At an airfield/2.5 mi away/5,289 ft/116 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,442of 2,650

I-25 @ SH-7 (40)CO010

Beside a road/11.8 mi away/5,161 ft/12 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Boulder 4.6 ENECO-BO-597

In a volunteer observer's own ground/0.7 mi away/5,227 ft/54 ft above here

precip, snowfall, snow depth

Rank-

BoulderBOUC2

At a cooperative observer's station/6.4 mi away/5,489 ft/316 ft above here

snowfall, snow depth, precip, high, low

Rank1,575of 2,650

Station report

The weather at Boulder, drawn

The nearest airport reporting now, 2.5 mi from Gunbarrel, Colorado. From its report of Oct 15, 2026, 9:15 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Boulder, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. A THE SKY OVER BOULDERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBoulder, the skySTATION REPORT · ASOS BDUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BDU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.6 F with a dew point of 33.8 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up.

Chart of the air at Boulder: temperature 44.6 degrees Fahrenheit and dew point 33.8, 66 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. B THE AIR AT BOULDERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,500 FT ABOVE THE STATION, AT 31.4 FTEMPERATURE 44.6 FDEW POINT 33.8 FSPREAD 10.8 FRELATIVE HUMIDITY 66 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEBoulder, the airSTATION REPORT · ASOS BDUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BDU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Boulder, north up: blowing from 200 degrees, the south southwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. C THE WIND AT BOULDERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBoulder, the windSTATION REPORT · ASOS BDUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BDU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Boulder, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Boulder (BOUC2), 6.4 miles from here, read 15 Oct, 19:25. measured daily

Elsewhere in Colorado

41 places, each with its own forecast and its own instruments.

Near Gunbarrel

The nearest places, each with its own forecast and the instruments nearest it.

Near Gunbarrel

River and lake gauges