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Greenwood Colony, South Dakota

Community in Douglas County, South Dakota

Air quality

The air at Greenwood Colony

Index 26, good, led by ozone. Read at 12 AM from its reporting area, Santee Sioux Reservation (NE), 30 miles off.

26Good
  • Ozone26Good-

The days ahead

Yesterday measured 15, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Greenwood Colony

0.29 in in the last 24 hours, 0.32 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.29in
Last 3 days
0.32in

Visibility

How far you can see at Greenwood Colony, the next 44 hours

Visibility stays 5 miles or more through Sat 7 PM, lowest 6 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Greenwood Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.6 miles away.

measured now4 instruments

WagnerAGZ

At an airfield/12.6 mi away/1,467 ft/146 ft below here

temp, wind, gust, visibility, precip, pressure

Rank721of 806

measured daily2 instruments

Delmont 0.2 WSD-DG-10

In a volunteer observer's own ground/3.6 mi away/1,488 ft/125 ft below here

precip, snowfall, snow depth

Rank-

TyndallTYNS2

At a cooperative observer's station/21.4 mi away/1,421 ft/192 ft below here

snowfall, snow depth, precip, high, low

Rank25of 806

Station report

The weather at Wagner, drawn

The nearest airport reporting now, 12.6 mi from Greenwood Colony, South Dakota. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 3,200 ft; the ceiling is 3,200 ft; visibility 10 mi or more.

Section of the sky over Wagner, height above the station to scale: overcast cloud with its base at 3,200 feet, the ceiling at 3,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. A THE SKY OVER WAGNERSECTION, 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 3,200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWagner, the skySTATION REPORT · ASOS AGZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AGZ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 37.4 F, 71 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 3,200 ft.

Chart of the air at Wagner: temperature 46.4 degrees Fahrenheit and dew point 37.4, 71 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 3,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. B THE AIR AT WAGNERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,100 FT ABOVE THE STATION, AT 35.4 FLOWEST CLOUD REPORTED, OVC 3,200 FTTEMPERATURE 46.4 FDEW POINT 37.4 FSPREAD 9.0 FRELATIVE HUMIDITY 71 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 POINTTITLEWagner, the airSTATION REPORT · ASOS AGZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AGZ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 22 mph, gusting 40 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 40 mph.

Plan of the wind at Wagner, north up: blowing from 320 degrees, the northwest, at 22 miles an hour, gusting 40; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. C THE WIND AT WAGNERPLAN, 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, 22 MPH6STRONG BREEZE257NEAR GALE328GALE39GUST, 40 MPH9STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWagner, the windSTATION REPORT · ASOS AGZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AGZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Tyndall (TYNS2), 21.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in South Dakota

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

Near Greenwood Colony

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

Near Greenwood Colony

River and lake gauges