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Butler, South Dakota

Town in Day County, South Dakota

Air quality

The air at Butler

Index 29, good, led by fine particles. Read at 1 AM from its reporting area, Watertown (SD), 38 miles off.

29Good
  • Fine particles (PM2.5)29Good-
  • Ozone17Good-
  • Coarse particles (PM10)15Good-

The days ahead

Yesterday measured 28, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Butler

0.20 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
0.20in
Last 3 days
0.20in

Visibility

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

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Butler, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.8 miles away.

measured now4 instruments

Marvin 9SWMVNS2

At a river or reservoir gauge/32.0 mi away/1,924 ft/96 ft above here

temp, wind, gust, humidity, pressure

Rank-

WatertownATY

At an airfield/36.1 mi away/1,725 ft/103 ft below here

temp, wind, gust, visibility, precip, pressure

Rank123of 806

measured daily2 instruments

Webster 7.8 SSWSD-DY-10

In a volunteer observer's own ground/7.9 mi away/1,864 ft/36 ft above here

precip, snowfall, snow depth

Rank-

WebsterWBRS2

At a cooperative observer's station/10.5 mi away/1,860 ft/32 ft above here

snowfall, snow depth, precip, high, low

Rank435of 806

Station report

The weather at Watertown, drawn

The nearest airport reporting now, 36.1 mi from Butler, South Dakota. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,500 ft, overcast at 2,300 ft; the ceiling is 1,500 ft; visibility 6 mi.

Section of the sky over Watertown, height above the station to scale: broken cloud with its base at 1,500 feet, overcast cloud with its base at 2,300 feet, the ceiling at 1,500 feet, and visibility of 6 mi.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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,300 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,500 FTVISIBILITY, MILES: 6 MI0510TITLEWatertown, 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

44.0 F with a dew point of 40.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,500 ft.

Chart of the air at Watertown: temperature 44.0 degrees Fahrenheit and dew point 40.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 1,500 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 STATION01,0002,0003,00030 F40 F50 FSATURATES 900 FT ABOVE THE STATION, AT 39.1 FLOWEST CLOUD REPORTED, BKN 1,500 FTTEMPERATURE 44.0 FDEW POINT 40.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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-020, 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 47 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 Butler

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

Near Butler

River and lake gauges