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Grandfield, Oklahoma

City in Tillman County, Oklahoma

Air quality

The air at Grandfield

Index 15, good, led by fine particles. Read at 1 AM from its reporting area, Lawton (OK), 32 miles off.

15Good
  • Fine particles (PM2.5)15Good-
  • Ozone14Good-
  • Coarse particles (PM10)6Good-

The days ahead

Highest 70, moderate, Mon Oct 19, led by ozone. Yesterday measured 10, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Grandfield

3.10 in in the last 24 hours, 4.25 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
3.10in
Last 3 days
4.25in

Visibility

How far you can see at Grandfield, the next 42 hours

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

FriSat

What is measuring near here

The 5 instruments nearest Grandfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now3 instruments

FrederickFDR

At an airfield/19.1 mi away/1,240 ft/116 ft above here

temp, wind, gust, visibility, precip, pressure

Rank144of 859

measured daily2 instruments

Grandfield 0.6 WSWOK-TN-6

In a volunteer observer's own ground/0.5 mi away/1,121 ft/3 ft below here

precip, snowfall, snow depth

Rank-

ChattanoogaCHAO2

At a cooperative observer's station/15.6 mi away/1,122 ft/2 ft below here

snowfall, snow depth, precip, high, low

Rank571of 859

Station report

The weather at Frederick, drawn

The nearest airport reporting now, 19.1 mi from Grandfield, Oklahoma. From its report of Oct 16, 2026, 1:53 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 Frederick, 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 FDRFIG. A THE SKY OVER FREDERICKSECTION, 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 MORE0510TITLEFrederick, the skySTATION REPORT · ASOS FDRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FDR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.0 F with a dew point of 50.0 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up.

Chart of the air at Frederick: temperature 57.0 degrees Fahrenheit and dew point 50.0, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FDRFIG. B THE AIR AT FREDERICKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,600 FT ABOVE THE STATION, AT 48.4 FTEMPERATURE 57.0 FDEW POINT 50.0 FSPREAD 7.0 FRELATIVE HUMIDITY 77 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 POINTTITLEFrederick, the airSTATION REPORT · ASOS FDRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FDR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 20 mph, gusting 29 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Frederick, north up: blowing from 360 degrees, the north, at 20 miles an hour, gusting 29; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FDRFIG. C THE WIND AT FREDERICKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE25GUST, 29 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFrederick, the windSTATION REPORT · ASOS FDRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FDR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Chattanooga (CHAO2), 15.6 miles from here, read 14 Oct, 06:30. measured daily

Elsewhere in Oklahoma

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

Near Grandfield

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

Near Grandfield