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Erie, Colorado

Town in Weld County, Colorado

Air quality

The air at Erie

Index 29, good, led by fine particles. Read at 7 AM from its reporting area, Denver-Boulder (CO), 9 miles off.

29Good
  • Fine particles (PM2.5)29Good9.7 mi
  • Ozone25Good25 ppb9.4 mi
  • Coarse particles (PM10)19Good11.5 mi
  • Nitrogen dioxide25Good26.5 ppb14.2 mi
  • Sulfur dioxide0Good0.3 ppb14.2 mi
  • Carbon monoxide-0.3 ppm17.5 mi

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 36, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Erie

0.04 in in the last 24 hours, 0.68 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.68in

Visibility

How far you can see at Erie, the next 42 hours

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Erie, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now5 instruments

ErieEIK

At an airfield/1.7 mi away/5,130 ft/71 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,669of 2,650

I-25 @ SH-7 (40)CO010

Beside a road/4.3 mi away/5,161 ft/102 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Erie 0.5 NCO-WE-604

In a volunteer observer's own ground/0.2 mi away/5,068 ft/9 ft above here

precip, snowfall, snow depth

Rank-

Lafayette 1NLAFC2

At a cooperative observer's station/2.5 mi away/5,279 ft/220 ft above here

snowfall, snow depth, precip, high, low

Rank1,550of 2,650

Station report

The weather at Erie, drawn

The nearest airport reporting now, 1.7 mi from Erie, Colorado. From its report of Oct 16, 2026, 7:15 AM 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 Erie, 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 EIKFIG. A THE SKY OVER ERIESECTION, 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 MORE0510TITLEErie, the skySTATION REPORT · ASOS EIKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EIK-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

32.4 F with a dew point of 26.4 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Erie: temperature 32.4 degrees Fahrenheit and dew point 26.4, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EIKFIG. B THE AIR AT ERIETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00010 F20 F30 F40 FSATURATES 1,400 FT ABOVE THE STATION, AT 25.1 FTEMPERATURE 32.4 FDEW POINT 26.4 FSPREAD 6.0 FRELATIVE HUMIDITY 78 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 POINTTITLEErie, the airSTATION REPORT · ASOS EIKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EIK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Erie, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EIKFIG. C THE WIND AT ERIEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEErie, the windSTATION REPORT · ASOS EIKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EIK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lafayette 1N (LAFC2), 2.5 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Colorado

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

Near Erie

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

Near Erie

River and lake gauges