Storm Station
Grandfield, Oklahoma
79°
Heavy rain· Feels like 79°·Light breeze 6 mph SE
Mostly sunny, with a high near 98. Heat index values as high as 99. South southeast wind 3 to 8 mph.
-UV
-Air quality
51%Humidity
43%Cloud

What is measuring near here

The 4 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 now2 instruments

Grandfield MesonetGRSO2

At a river or reservoir gauge/3.3 mi away/1,132 ft/8 ft above here

temp, wind, gust, humidity, pressure

Rank221of 474

FrederickFDR

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

temp, wind, gust, visibility, precip, pressure

Rank9of 474

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

Rank-

Station report

The weather at Frederick, drawn

The nearest airport reporting now, 19.1 mi from Grandfield. From its report of Sep 27, 2026, 6:53 AM local time: 3 of its 6 sheets.

The sky

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

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 8 mi.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: 8 MI0510TITLEFrederick, the skySTATION REPORT · ASOS FDRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-FDR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 66.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Frederick: temperature 68.0 degrees Fahrenheit and dew point 66.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 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 STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 65.5 FTEMPERATURE AND DEW POINT 68.0 F, 66.0 FRELATIVE HUMIDITY 93 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 6DATE2026-09-27IDSR-FDR-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Frederick, north up: blowing from 100 degrees, the east, at 7 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 FDRFIG. C THE WIND AT FREDERICKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFrederick, the windSTATION REPORT · ASOS FDRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

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Snow on the ground

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.