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Sheldon, Texas

Community in Harris County, Texas

Air quality

The air at Sheldon

Index 50, good, led by fine particles. Read at 3 AM from its reporting area, Houston-Galveston-Brazoria (TX), 15 miles off.

50Good
  • Fine particles (PM2.5)50Good-
  • Ozone27Good-
  • Coarse particles (PM10)17Good-

The days ahead

Highest moderate, today, led by ozone. Yesterday measured 74, moderate.

Smoke, the next 40 hours

Smoke near the ground peaks at index 53, moderate, Fri 8 PM.

FriSat

Precipitation

What has fallen at Sheldon

None in the last 3 days, to Fri 3 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 Sheldon, the next 40 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 4 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Sheldon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.7 miles away.

measured now3 instruments

measured daily2 instruments

Cloverleaf 0.6 ENETX-HRR-103

In a volunteer observer's own ground/4.8 mi away/28 ft/12 ft below here

precip, snowfall, snow depth

Rank-

BaytownBATT2

At a cooperative observer's station/7.0 mi away/59 ft/19 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at La Porte, drawn

The nearest airport reporting now, 13.5 mi from Sheldon, Texas. From its report of Oct 16, 2026, 3:55 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 La Porte, 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 T41FIG. A THE SKY OVER LA PORTESECTION, 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 MORE0510TITLELa Porte, the skySTATION REPORT · ASOS T41TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-T41-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

73.4 F with a dew point of 69.8 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up.

Chart of the air at La Porte: temperature 73.4 degrees Fahrenheit and dew point 69.8, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT T41FIG. B THE AIR AT LA PORTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 800 FT ABOVE THE STATION, AT 68.9 FTEMPERATURE 73.4 FDEW POINT 69.8 FSPREAD 3.6 FRELATIVE HUMIDITY 89 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 POINTTITLELa Porte, the airSTATION REPORT · ASOS T41TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-T41-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (20 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at La Porte, north up: blowing from 20 degrees, the north northeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT T41FIG. C THE WIND AT LA PORTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 20°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELa Porte, the windSTATION REPORT · ASOS T41TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-T41-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Texas

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

Near Sheldon

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

Near Sheldon

River and lake gauges