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Mayfield Colony, South Dakota

Community in Clark County, South Dakota

Air quality

The air at Mayfield Colony

Index 22, good, led by fine particles. Read at 1 AM from its reporting area, Watertown (SD), 26 miles off.

22Good
  • Fine particles (PM2.5)22Good-
  • Ozone14Good-
  • Coarse particles (PM10)11Good-

The days ahead

Yesterday measured 28, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Mayfield Colony

0.14 in in the last 24 hours, 0.24 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.14in
Last 3 days
0.24in

Visibility

How far you can see at Mayfield Colony, the next 42 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

On the radar over Mayfield Colony, South DakotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

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

Desmet6E5

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

temp, wind, gust, visibility, precip, pressure

Rank105of 806

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, South Dakota. From its report of Oct 16, 2026, 1:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 900 ft, broken at 1,400 ft, overcast at 2,400 ft; the ceiling is 1,400 ft; visibility 8 mi.

Section of the sky over Desmet, height above the station to scale: a few clouds cloud with its base at 900 feet, broken cloud with its base at 1,400 feet, overcast cloud with its base at 2,400 feet, the ceiling at 1,400 feet, and visibility of 8 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 900 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 8 MI0510TITLEDesmet, the skySTATION REPORT · ASOS 6E5TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-6E5-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.6 F with a dew point of 44.6 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 900 ft.

Chart of the air at Desmet: temperature 44.6 degrees Fahrenheit and dew point 44.6, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 900 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, FEW 900 FTTEMPERATURE AND DEW POINT 44.6 F, 44.6 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 6DATE2026-10-16IDSR-6E5-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 30 mph, gusting 38 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Desmet, north up: blowing from 350 degrees, the north, at 30 miles an hour, gusting 38; beside it the Beaufort scale from calm to hurricane force, force 6, strong 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 30 MPH7NEAR GALE32GUST, 38 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDesmet, the windSTATION REPORT · ASOS 6E5TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

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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.

Near Mayfield Colony

River and lake gauges