Storm Station
Mayfield Colony, South Dakota
63°
Partly cloudy· Feels like 63°·Light air 2 mph S
Areas of fog before 10am. Mostly cloudy, with a high near 72. Northeast wind 2 to 9 mph.
-UV
-Air quality
100%Humidity
71%Cloud

What is measuring near here

The 5 instruments nearest Mayfield Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.5 miles away.

measured now3 instruments

Sd RWIS BryantSD599

Beside a road/7.5 mi away/1,824 ft/44 ft above here

temp, pavement temp, wind, visibility, precip

Rank328of 427

Desmet6E5

At an airfield/18.1 mi away/1,726 ft/54 ft below here

temp, wind, gust, visibility, precip, pressure

Rank10of 427

Big Sioux River 3 NW WatertownWBSS2

At a river or reservoir gauge/27.4 mi away/1,726 ft/54 ft below here

temp, wind, gust, humidity, pressure

Rank124of 427

measured daily2 instruments

Hazel 4.2 WNWSD-HM-17

In a volunteer observer's own ground/7.9 mi away/1,796 ft/16 ft above here

precip, snowfall, snow depth

Rank-

Brookings-38MI.NwBRYS2

At a cooperative observer's station/9.2 mi away/1,847 ft/67 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Desmet, drawn

The nearest airport reporting now, 18.1 mi from Mayfield Colony. From its report of Sep 27, 2026, 8:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 2.5 mi.

Section of the sky over Desmet, height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 feet, and visibility of 2.5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 6E5FIG. A THE SKY OVER DESMETSECTION, 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 SHEETOVC 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 2.5 MI0510TITLEDesmet, the skySTATION REPORT · ASOS 6E5TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-6E5-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.6 F with a dew point of 62.6 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 400 ft.

Chart of the air at Desmet: temperature 62.6 degrees Fahrenheit and dew point 62.6, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 6E5FIG. B THE AIR AT DESMETTHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 62.6 F, 62.6 FRELATIVE HUMIDITY 100 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 POINTTITLEDesmet, the airSTATION REPORT · ASOS 6E5TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-6E5-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east northeast (60 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Desmet, north up: blowing from 60 degrees, the east 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 6E5FIG. C THE WIND AT DESMETPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 60°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDesmet, the windSTATION REPORT · ASOS 6E5TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-6E5-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in South Dakota

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

Near Mayfield Colony

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