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Bon Homme Colony, South Dakota

Community in Bon Homme County, South Dakota

Air quality

The air at Bon Homme Colony

Index 26, good, led by ozone. Read at 1 AM from its reporting area, Santee Sioux Reservation (NE), 8 miles off.

26Good
  • Ozone26Good-

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Bon Homme Colony

0.47 in in the last 24 hours, 0.50 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.47in
Last 3 days
0.50in

Visibility

How far you can see at Bon Homme Colony, the next 43 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 4 instruments nearest Bon Homme Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.9 miles away.

measured now2 instruments

SD RWIS TyndallSD071

Beside a road/8.5 mi away/1,332 ft/39 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

YanktonYKN

At an airfield/16.5 mi away/1,278 ft/15 ft below here

temp, wind, gust, visibility, precip, pressure

Rank283of 806

measured daily2 instruments

Yankton 9.1 WSD-YN-26

In a volunteer observer's own ground/6.9 mi away/1,496 ft/203 ft above here

precip, snowfall, snow depth

Rank729of 806

TyndallTYNS2

At a cooperative observer's station/11.8 mi away/1,421 ft/128 ft above here

snowfall, snow depth, precip, high, low

Rank25of 806

Station report

The weather at Yankton, drawn

The nearest airport reporting now, 16.5 mi from Bon Homme Colony, South Dakota. From its report of Oct 16, 2026, 1:22 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,800 ft; the ceiling is 2,800 ft; visibility 10 mi or more.

Section of the sky over Yankton, height above the station to scale: overcast cloud with its base at 2,800 feet, the ceiling at 2,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. A THE SKY OVER YANKTONSECTION, 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 2,800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEYankton, the skySTATION REPORT · ASOS YKNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-YKN-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 2,800 ft.

Chart of the air at Yankton: 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 2,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. B THE AIR AT YANKTONTHE 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 2,800 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 POINTTITLEYankton, the airSTATION REPORT · ASOS YKNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-YKN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 25 mph, gusting 30 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Yankton, north up: blowing from 310 degrees, the northwest, at 25 miles an hour, gusting 30; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. C THE WIND AT YANKTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEYankton, the windSTATION REPORT · ASOS YKNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-YKN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Tyndall (TYNS2), 11.8 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 Bon Homme Colony

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

Near Bon Homme Colony

River and lake gauges