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Alpine, Colorado

Community in Rio Grande County, Colorado

Air quality

The air at Alpine

Index 25, good, led by fine particles. Read at 12 PM from its reporting area, San Luis Valley (CO), 39 miles off.

25Good
  • Fine particles (PM2.5)25Good-
  • Coarse particles (PM10)12Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 6 AM.

FriSatSun

Precipitation

What has fallen at Alpine

None in the last 24 hours; 0.96 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.96in

Visibility

How far you can see at Alpine, the next 43 hours

Visibility stays 10 miles or more through Sun 6 AM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Alpine, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now4 instruments

Del NorteRCV

At an airfield/12.7 mi away/7,913 ft/332 ft below here

temp, wind, gust, visibility, precip, pressure

Rank12of 2,650

measured daily2 instruments

Del NorteDLNC2

At a cooperative observer's station/12.8 mi away/7,999 ft/246 ft below here

snowfall, snow depth, precip, high, low

Rank1,825of 2,650

Station report

The weather at Del Norte, drawn

The nearest airport reporting now, 12.7 mi from Alpine, Colorado. From its report of Oct 16, 2026, 12:15 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 Del Norte, 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 RCVFIG. A THE SKY OVER DEL NORTESECTION, 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 MORE0510TITLEDel Norte, the skySTATION REPORT · ASOS RCVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RCV-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 24.0 F, 36 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,900 ft up.

Chart of the air at Del Norte: temperature 50.0 degrees Fahrenheit and dew point 24.0, 36 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCVFIG. B THE AIR AT DEL NORTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 F60 FSATURATES 5,900 FT ABOVE THE STATION, AT 18.7 FTEMPERATURE 50.0 FDEW POINT 24.0 FSPREAD 26.0 FRELATIVE HUMIDITY 36 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 POINTTITLEDel Norte, the airSTATION REPORT · ASOS RCVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RCV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (80 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Del Norte, north up: blowing from 80 degrees, the east, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCVFIG. C THE WIND AT DEL NORTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 80°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDel Norte, the windSTATION REPORT · ASOS RCVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RCV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Del Norte (DLNC2), 12.8 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Colorado

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

Near Alpine

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

Near Alpine

River and lake gauges