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Elkton, South Dakota

City in Brookings County, South Dakota

Air quality

The air at Elkton

Index 42, good, led by fine particles. Read at 10 PM from its reporting area, Brookings (SD), 18 miles off.

42Good
  • Fine particles (PM2.5)42Good18.1 mi
  • Ozone19Good19 ppb18.1 mi
  • Coarse particles (PM10)29Good18.1 mi

The days ahead

Yesterday measured 21, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Elkton

0.11 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.11in
Last 3 days
0.11in

Visibility

How far you can see at Elkton, the next 45 hours

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

FriSat

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

What is measuring near here

The 8 instruments nearest Elkton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.6 miles away.

measured now6 instruments

SD RWIS WardSD077

Beside a road/14.9 mi away/1,654 ft/96 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

BrookingsBKX

At an airfield/17.4 mi away/1,609 ft/141 ft below here

temp, wind, gust, visibility, precip, pressure

Rank106of 806

measured daily2 instruments

Elkton 4.5 NNWSD-BK-61

In a volunteer observer's own ground/4.6 mi away/1,715 ft/35 ft below here

precip, snowfall, snow depth

Rank-

FlandreauFLAS2

At a cooperative observer's station/14.0 mi away/1,549 ft/201 ft below here

snowfall, snow depth, precip, high, low

Rank63of 806

Station report

The weather at Brookings, drawn

The nearest airport reporting now, 17.4 mi from Elkton, South Dakota. From its report of Oct 15, 2026, 10:56 PM local time: 3 of its 6 sheets.

The sky

Overcast at 2,300 ft; the ceiling is 2,300 ft; visibility 8 mi.

Section of the sky over Brookings, height above the station to scale: overcast cloud with its base at 2,300 feet, the ceiling at 2,300 feet, and visibility of 8 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BKXFIG. A THE SKY OVER BROOKINGSSECTION, 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 SKYCEILING 2,300 FTVISIBILITY, MILES: 8 MI0510TITLEBrookings, the skySTATION REPORT · ASOS BKXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-BKX-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 39.0 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up; the lowest cloud reported is at 2,300 ft.

Chart of the air at Brookings: temperature 44.0 degrees Fahrenheit and dew point 39.0, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station, against the lowest cloud reported at 2,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BKXFIG. B THE AIR AT BROOKINGSTHE 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 1,100 FT ABOVE THE STATION, AT 37.9 FLOWEST CLOUD REPORTED, OVC 2,300 FTTEMPERATURE 44.0 FDEW POINT 39.0 FSPREAD 5.0 FRELATIVE HUMIDITY 82 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 POINTTITLEBrookings, the airSTATION REPORT · ASOS BKXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-BKX-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 21 mph, gusting 31 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Brookings, north up: blowing from 320 degrees, the northwest, at 21 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 BKXFIG. C THE WIND AT BROOKINGSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE25GUST, 31 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBrookings, the windSTATION REPORT · ASOS BKXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-BKX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Flandreau (FLAS2), 14.0 miles from here, read 15 Oct, 06:30. measured daily

Elsewhere in South Dakota

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

Near Elkton

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

Near Elkton

River and lake gauges