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Poinsett Colony, South Dakota

Community in Hamlin County, South Dakota

Air quality

The air at Poinsett Colony

Index 26, good, led by fine particles. Read at 4 AM from its reporting area, Brookings (SD), 21 miles off.

26Good
  • Fine particles (PM2.5)26Good-
  • Ozone17Good-
  • Coarse particles (PM10)7Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Poinsett Colony

0.03 in in the last 24 hours, 0.05 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.03in
Last 3 days
0.05in

Visibility

How far you can see at Poinsett Colony, the next 46 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Poinsett Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.3 miles away.

measured now4 instruments

WatertownATY

At an airfield/22.6 mi away/1,725 ft/73 ft below here

temp, wind, gust, visibility, precip, pressure

Rank123of 806

measured daily2 instruments

Castlewood 5.7 ESD-HM-11

In a volunteer observer's own ground/6.3 mi away/1,869 ft/71 ft above here

precip, snowfall, snow depth

Rank-

CastlewoodCLWS2

At a cooperative observer's station/8.9 mi away/1,704 ft/94 ft below here

snowfall, snow depth, precip, high, low

Rank18of 806

Station report

The weather at Watertown, drawn

The nearest airport reporting now, 22.6 mi from Poinsett Colony, South Dakota. From its report of Oct 16, 2026, 4:23 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,100 ft, overcast at 3,300 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Watertown, height above the station to scale: broken cloud with its base at 2,100 feet, overcast cloud with its base at 3,300 feet, the ceiling at 2,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ATYFIG. A THE SKY OVER WATERTOWNSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,300 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWatertown, the skySTATION REPORT · ASOS ATYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ATY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

41.0 F with a dew point of 35.0 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 2,100 ft.

Chart of the air at Watertown: temperature 41.0 degrees Fahrenheit and dew point 35.0, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 2,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ATYFIG. B THE AIR AT WATERTOWNTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,400 FT ABOVE THE STATION, AT 33.7 FLOWEST CLOUD REPORTED, BKN 2,100 FTTEMPERATURE 41.0 FDEW POINT 35.0 FSPREAD 6.0 FRELATIVE HUMIDITY 79 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 POINTTITLEWatertown, the airSTATION REPORT · ASOS ATYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ATY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 36 mph, gusting 47 mph: force 7, a near gale on the Beaufort scale. The strongest gust today was 48 mph.

Plan of the wind at Watertown, north up: blowing from 340 degrees, the north northwest, at 36 miles an hour, gusting 47; beside it the Beaufort scale from calm to hurricane force, force 7, near gale, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ATYFIG. C THE WIND AT WATERTOWNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE32NOW, 36 MPH8GALE399STRONG GALE47GUST, 47 MPH10STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWatertown, the windSTATION REPORT · ASOS ATYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ATY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in South Dakota

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

Near Poinsett Colony

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

Near Poinsett Colony

River and lake gauges