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Coal Creek, Colorado

Community in Jefferson County, Colorado

Air quality

The air at Coal Creek

Index 39, good, led by fine particles. Read at 2 AM from its reporting area, Denver-Boulder (CO), 17 miles off.

39Good
  • Fine particles (PM2.5)39Good9 mi
  • Ozone29Good23 ppb13.6 mi
  • Coarse particles (PM10)10Good9 mi
  • Nitrogen dioxide11Good12.8 ppb21.4 mi
  • Sulfur dioxide0Good0.6 ppb21.4 mi
  • Carbon monoxide-0.1 ppm21.4 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 36, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Coal Creek

0.02 in in the last 24 hours, 1.00 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
1.00in

Visibility

How far you can see at Coal Creek, the next 46 hours

Visibility stays 5 miles or more through Sun 12 AM, lowest 5 miles Fri 3 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Coal Creek, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now5 instruments

measured daily2 instruments

Pinecliffe 4.0 SECO-JF-604

In a volunteer observer's own ground/1.0 mi away/8,579 ft/294 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Dakota Hills, drawn

The nearest airport reporting now, 10.0 mi from Coal Creek, Colorado. From its report of Oct 16, 2026, 2:30 AM local time: 3 of its 6 sheets.

The sky

No cloud reported; visibility 10 mi or more.

Section of the sky over Dakota Hills, height above the station to scale: no cloud reported, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C99FIG. A THE SKY OVER DAKOTA HILLSSECTION, 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 REPORTEDVISIBILITY, MILES: 10 MI OR MORE0510TITLEDakota Hills, the skySTATION REPORT · ASOS C99TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-C99-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

24.0 F with a dew point of 12.0 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up.

Chart of the air at Dakota Hills: temperature 24.0 degrees Fahrenheit and dew point 12.0, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C99FIG. B THE AIR AT DAKOTA HILLSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0000 F10 F20 F30 FSATURATES 2,700 FT ABOVE THE STATION, AT 9.6 FTEMPERATURE 24.0 FDEW POINT 12.0 FSPREAD 12.0 FRELATIVE HUMIDITY 60 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 POINTTITLEDakota Hills, the airSTATION REPORT · ASOS C99TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-C99-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 10 mph, gusting 20 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Dakota Hills, north up: blowing from 310 degrees, the northwest, at 10 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C99FIG. C THE WIND AT DAKOTA HILLSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDakota Hills, the windSTATION REPORT · ASOS C99TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-C99-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Gross Reservoir (GRRC2), 2.2 miles from here, read 15 Oct, 06:30. measured daily

Elsewhere in Colorado

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

Near Coal Creek

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

Near Coal Creek

River and lake gauges