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Mesa, Arizona

City in Maricopa County, Arizona

Air quality

The air at Mesa

Index 32, good, led by ozone. Read at 8 PM from its reporting area, Salt River Pima-Maricopa Indian Community (AZ), 5 miles off.

32Good
  • Fine particles (PM2.5)-9.5 mi
  • Ozone32Good32 ppb3.6 mi
  • Coarse particles (PM10)15Good4.9 mi
  • Nitrogen dioxide12Good13 ppb13.4 mi
  • Sulfur dioxide0Good0 ppb16.3 mi
  • Carbon monoxide-0.1 ppm5.5 mi

The days ahead

Yesterday measured 43, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 5 PM.

FriSat

Precipitation

What has fallen at Mesa

None in the last 24 hours; 0.32 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.32in

Visibility

How far you can see at Mesa, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Mesa, ArizonaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Mesa, 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 now3 instruments

measured daily2 instruments

Mesa 2.2 WAZ-MR-87

In a volunteer observer's own ground/0.7 mi away/1,255 ft/7 ft below here

precip, snowfall, snow depth

Rank-

East MesaEMSA3

At a cooperative observer's station/7.0 mi away/1,516 ft/254 ft above here

snowfall, snow depth, precip, high, low

Rank1,434of 1,869

Station report

The weather at Mesa/Falcon Field, drawn

The nearest airport reporting now, 4.2 mi from Mesa, Arizona. From its report of Oct 15, 2026, 8:54 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 Mesa/Falcon Field, 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 FFZFIG. A THE SKY OVER MESA/FALCON FIELDSECTION, 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 MORE0510TITLEMesa/Falcon Field, the skySTATION REPORT · ASOS FFZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FFZ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

77.0 F with a dew point of 42.0 F, 29 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Mesa/Falcon Field: temperature 77.0 degrees Fahrenheit and dew point 42.0, 29 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FFZFIG. B THE AIR AT MESA/FALCON FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00020 F40 F60 F80 FSATURATES 7,900 FT ABOVE THE STATION, AT 34.6 FTEMPERATURE 77.0 FDEW POINT 42.0 FSPREAD 35.0 FRELATIVE HUMIDITY 29 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 POINTTITLEMesa/Falcon Field, the airSTATION REPORT · ASOS FFZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FFZ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Mesa/Falcon Field, north up: blowing from 40 degrees, the northeast, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FFZFIG. C THE WIND AT MESA/FALCON FIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMesa/Falcon Field, the windSTATION REPORT · ASOS FFZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FFZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mesa/Falcon Field, 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 Mesa

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

Near Mesa

River and lake gauges