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Alton, Texas

City in Hidalgo County, Texas

Air quality

The air at Alton

Index 34, good, led by fine particles. Read at 10 PM from its reporting area, Brownsville-McAllen (TX), 39 miles off.

34Good
  • Fine particles (PM2.5)34Good-
  • Ozone34Good-
  • Coarse particles (PM10)22Good-

The days ahead

Highest moderate, Fri Oct 16, led by fine particles. Yesterday measured 38, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Alton

None in the last 24 hours; 0.02 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.02in

Visibility

How far you can see at Alton, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 7 AM.

FriSat

On the radar over Alton, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Alton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now5 instruments

MissionTCEQ-43

At a river or reservoir gauge/4.4 mi away/121 ft/37 ft below here

temp, wind, gust, humidity, pressure

Rank2,868of 4,689

WeslacoS2205

At a soil climate station/23.5 mi away/57 ft/101 ft below here

temp, humidity, soil temp, soil moisture

Rank2,860of 4,689

measured daily2 instruments

Alton 1.5 WSWTX-HDL-79

In a volunteer observer's own ground/1.5 mi away/170 ft/12 ft above here

precip, snowfall, snow depth

Rank-

McallenMCAT2

At a cooperative observer's station/8.3 mi away/128 ft/30 ft below here

snowfall, snow depth, precip, high, low

Rank3,030of 4,689

Station report

The weather at Mcallen/Miller INTL, drawn

The nearest airport reporting now, 8.8 mi from Alton, Texas. From its report of Oct 15, 2026, 9:53 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 Mcallen/Miller INTL, 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 MFEFIG. A THE SKY OVER MCALLEN/MILLER INTLSECTION, 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 MORE0510TITLEMcallen/Miller INTL, the skySTATION REPORT · ASOS MFETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MFE-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

81.0 F with a dew point of 70.0 F, 69 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,600 ft up.

Chart of the air at Mcallen/Miller INTL: temperature 81.0 degrees Fahrenheit and dew point 70.0, 69 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MFEFIG. B THE AIR AT MCALLEN/MILLER INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00060 F70 F80 F90 FSATURATES 2,600 FT ABOVE THE STATION, AT 67.4 FTEMPERATURE 81.0 FDEW POINT 70.0 FSPREAD 11.0 FRELATIVE HUMIDITY 69 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 POINTTITLEMcallen/Miller INTL, the airSTATION REPORT · ASOS MFETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MFE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (110 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Mcallen/Miller INTL, north up: blowing from 110 degrees, the east southeast, at 9 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 MFEFIG. C THE WIND AT MCALLEN/MILLER INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 110°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMcallen/Miller INTL, the windSTATION REPORT · ASOS MFETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MFE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mcallen/Miller INTL, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Mcallen (MCAT2), 8.3 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Texas

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

Near Alton

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

Near Alton

River and lake gauges