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St. David, Arizona

Community in Cochise County, Arizona

Air quality

The air at St. David

Index 184, unhealthy, led by coarse particles. Read at 5 AM from its reporting area, Tucson (AZ), 47 miles off.

184Unhealthy
  • Fine particles (PM2.5)88Moderate-
  • Ozone38Good-
  • Coarse particles (PM10)184Unhealthy-

The days ahead

Highest 56, moderate, today, led by ozone. Yesterday measured 45, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 11 PM.

FriSat

Precipitation

What has fallen at St. David

None in the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at St. David, the next 43 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

On the radar over St. David, ArizonaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest St. David, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now5 instruments

Elgin 5 S53132

At a climate reference station/26.9 mi away/4,811 ft/1,148 ft above here

temp, humidity, wind, solar, precip

Rank1,199of 1,869

measured daily2 instruments

Benson 6 SESDAA3

At a cooperative observer's station/1.7 mi away/3,690 ft/27 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Huachuca/Libby, drawn

The nearest airport reporting now, 22.6 mi from St. David, Arizona. From its report of Oct 16, 2026, 5:19 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 8 mi.

Section of the sky over Fort Huachuca/Libby, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FHUFIG. A THE SKY OVER FORT HUACHUCA/LIBBYSECTION, 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: 8 MI0510TITLEFort Huachuca/Libby, the skySTATION REPORT · ASOS FHUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FHU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.0 F with a dew point of 33.8 F, 39 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,700 ft up.

Chart of the air at Fort Huachuca/Libby: temperature 59.0 degrees Fahrenheit and dew point 33.8, 39 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FHUFIG. B THE AIR AT FORT HUACHUCA/LIBBYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 FSATURATES 5,700 FT ABOVE THE STATION, AT 28.5 FTEMPERATURE 59.0 FDEW POINT 33.8 FSPREAD 25.2 FRELATIVE HUMIDITY 39 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 POINTTITLEFort Huachuca/Libby, the airSTATION REPORT · ASOS FHUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FHU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (130 degrees) at 14 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Fort Huachuca/Libby, north up: blowing from 130 degrees, the southeast, at 14 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FHUFIG. C THE WIND AT FORT HUACHUCA/LIBBYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Huachuca/Libby, the windSTATION REPORT · ASOS FHUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FHU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Huachuca/Libby, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Arizona

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

Near St. David

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

Near St. David

River and lake gauges