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Jamesville Colony, South Dakota

Community in Yankton County, South Dakota

Air quality

The air at Jamesville Colony

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

26Good
  • Ozone26Good-

The days ahead

Yesterday measured 15, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Jamesville Colony

0.62 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
0.62in
Last 3 days
0.62in

Visibility

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

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 4 instruments nearest Jamesville Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now2 instruments

YanktonYKN

At an airfield/13.7 mi away/1,278 ft/70 ft above here

temp, wind, gust, visibility, precip, pressure

Rank283of 806

measured daily2 instruments

Lesterville 6.3 NNESD-YN-6

In a volunteer observer's own ground/3.9 mi away/1,289 ft/81 ft above here

precip, snowfall, snow depth

Rank-

MennoMNOS2

At a cooperative observer's station/10.3 mi away/1,335 ft/127 ft above here

snowfall, snow depth, precip, high, low

Rank433of 806

Station report

The weather at Yankton, drawn

The nearest airport reporting now, 13.7 mi from Jamesville Colony, South Dakota. From its report of Oct 16, 2026, 12:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 3,300 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over Yankton, height above the station to scale: overcast cloud with its base at 3,300 feet, the ceiling at 3,300 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 3,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,300 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

47.0 F with a dew point of 37.0 F, 68 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,300 ft up; the lowest cloud reported is at 3,300 ft.

Chart of the air at Yankton: temperature 47.0 degrees Fahrenheit and dew point 37.0, 68 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,300 feet above the station, against the lowest cloud reported at 3,300 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 STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 2,300 FT ABOVE THE STATION, AT 34.8 FLOWEST CLOUD REPORTED, OVC 3,300 FTTEMPERATURE 47.0 FDEW POINT 37.0 FSPREAD 10.0 FRELATIVE HUMIDITY 68 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 west northwest (300 degrees) at 29 mph, gusting 38 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 300 degrees, the west northwest, at 29 miles an hour, gusting 38; 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 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 29 MPH7NEAR GALE32GUST, 38 MPH8GALE399STRONG 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 Menno (MNOS2), 10.3 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in South Dakota

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

Near Jamesville Colony

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

Near Jamesville Colony

River and lake gauges