Storm Station
Bon Homme Colony, South Dakota
64° 71°/64°
Partly cloudy· Feels like 64°·Light breeze 5 mph ESE
Patchy fog. Mostly cloudy, with a low around 63. East wind 0 to 5 mph.
0UV Low
26Air quality
94%Humidity
64%Cloud
Now
2:15 AM
64feels64
11%
now, partly cloudy
Today
Sep 27
7164
11%
drizzle light
Mon
Sep 28
7165
14mph
rain
Tue
Sep 29
6762
73%
16mph
showers
Wed
Sep 30
6764
40%
rain light
Thu
Oct 1
6552
29%
17mph
drizzle light
Fri
Oct 2
6546
10%
clear day
Sat
Oct 3
6847
21mph
overcast
64°
71°64°
71°65°
67°62°
67°64°
65°52°
65°46°
68°47°

As of 2:15 AM in Bon Homme Colony, South Dakota.

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

Rank385of 427

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

Rank-

TyndallTYNS2

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

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Yankton, drawn

The nearest airport reporting now, 16.5 mi from Bon Homme Colony. From its report of Sep 27, 2026, 1:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 3,500 ft; the ceiling is 3,500 ft; visibility 6 mi.

Section of the sky over Yankton, height above the station to scale: overcast cloud with its base at 3,500 feet, the ceiling at 3,500 feet, and visibility of 6 mi.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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,500 FTVISIBILITY, MILES: 6 MI0510TITLEYankton, the skySTATION REPORT · ASOS YKNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-YKN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.0 F with a dew point of 64.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 3,500 ft.

Chart of the air at Yankton: temperature 64.0 degrees Fahrenheit and dew point 64.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 3,500 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 STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 3,500 FTTEMPERATURE AND DEW POINT 64.0 F, 64.0 FRELATIVE HUMIDITY 100 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 6DATE2026-09-27IDSR-YKN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (110 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Yankton, north up: blowing from 110 degrees, the east southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light 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 110°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEYankton, the windSTATION REPORT · ASOS YKNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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 26 Sep, 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.