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Pierpont, South Dakota

Town in Day County, South Dakota

Air quality

The air at Pierpont

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

15Good
  • Fine particles (PM2.5)15Good-
  • Coarse particles (PM10)8Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Pierpont

0.13 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.13in

Visibility

How far you can see at Pierpont, the next 43 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Pierpont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now4 instruments

BrittonBTN

At an airfield/22.5 mi away/1,305 ft/204 ft below here

temp, wind, gust, visibility, precip, pressure

Rank697of 806

measured daily2 instruments

Pierpont 0.1 ESD-DY-21

In a volunteer observer's own ground/0.1 mi away/1,517 ft/8 ft above here

precip, snowfall, snow depth

Rank-

Andover No. 2ANVS2

At a cooperative observer's station/6.7 mi away/1,473 ft/36 ft below here

snowfall, snow depth, precip, high, low

Rank673of 806

Station report

The weather at Britton, drawn

The nearest airport reporting now, 22.5 mi from Pierpont, South Dakota. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,900 ft, overcast at 2,400 ft; the ceiling is 1,900 ft; visibility 9 mi.

Section of the sky over Britton, height above the station to scale: broken cloud with its base at 1,900 feet, overcast cloud with its base at 2,400 feet, the ceiling at 1,900 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTNFIG. A THE SKY OVER BRITTONSECTION, 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 1,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,900 FTVISIBILITY, MILES: 9 MI0510TITLEBritton, the skySTATION REPORT · ASOS BTNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BTN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

42.8 F with a dew point of 41.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Britton: temperature 42.8 degrees Fahrenheit and dew point 41.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTNFIG. B THE AIR AT BRITTONTHE 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 FSATURATES 400 FT ABOVE THE STATION, AT 40.6 FLOWEST CLOUD REPORTED, BKN 1,900 FTTEMPERATURE AND DEW POINT 42.8 F, 41.0 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 POINTTITLEBritton, the airSTATION REPORT · ASOS BTNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BTN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 23 mph, gusting 31 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Britton, north up: blowing from 330 degrees, the north northwest, at 23 miles an hour, gusting 31; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BTNFIG. C THE WIND AT BRITTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 23 MPH6STRONG BREEZE25GUST, 31 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBritton, the windSTATION REPORT · ASOS BTNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BTN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Andover No. 2 (ANVS2), 6.7 miles from here, read 13 Oct, 12:00. measured daily

Elsewhere in South Dakota

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

Near Pierpont

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

Near Pierpont

River and lake gauges