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Cow Creek, South Dakota

Community in Sully County, South Dakota

Air quality

The air at Cow Creek

Index 26, good, led by fine particles. Read at 3 AM from its reporting area, Pierre (SD), 16 miles off.

26Good
  • Fine particles (PM2.5)26Good15.4 mi

The days ahead

Yesterday measured 27, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Cow Creek

0.01 in in the last 24 hours, 0.48 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.48in

Visibility

How far you can see at Cow Creek, the next 40 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Cow Creek, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now5 instruments

Oahe DamPIES2

At a dam/7.9 mi away/1,597 ft/51 ft below here

temp, wind, gust, humidity, pressure

Rank803of 806

PierrePIR

At an airfield/15.1 mi away/1,713 ft/65 ft above here

temp, wind, gust, visibility, precip, pressure

Rank16of 806

Pierre 24S94085

At a climate reference station/37.4 mi away/2,123 ft/475 ft above here

temp, humidity, wind, solar, precip

Rank511of 806

measured daily2 instruments

Pierre 14.1 NNWSD-SL-31

In a volunteer observer's own ground/0.7 mi away/1,655 ft/7 ft above here

precip, snowfall, snow depth

Rank-

Oahe DamPIES2

At a dam/8.4 mi away/1,657 ft/9 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Pierre, drawn

The nearest airport reporting now, 15.1 mi from Cow Creek, South Dakota. From its report of Oct 16, 2026, 2:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 5,000 ft; the ceiling is 5,000 ft; visibility 10 mi or more.

Section of the sky over Pierre, height above the station to scale: overcast cloud with its base at 5,000 feet, the ceiling at 5,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PIRFIG. A THE SKY OVER PIERRESECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 5,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPierre, the skySTATION REPORT · ASOS PIRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PIR-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 37.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Pierre: temperature 44.0 degrees Fahrenheit and dew point 37.0, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 5,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PIRFIG. B THE AIR AT PIERRETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 FSATURATES 1,600 FT ABOVE THE STATION, AT 35.5 FLOWEST CLOUD REPORTED, OVC 5,000 FTTEMPERATURE 44.0 FDEW POINT 37.0 FSPREAD 7.0 FRELATIVE HUMIDITY 76 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 POINTTITLEPierre, the airSTATION REPORT · ASOS PIRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PIR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 25 mph, gusting 33 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 48 mph.

Plan of the wind at Pierre, north up: blowing from 330 degrees, the north northwest, at 25 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PIRFIG. C THE WIND AT PIERREPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 25 MPH7NEAR GALE32GUST, 33 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPierre, the windSTATION REPORT · ASOS PIRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PIR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in South Dakota

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

Near Cow Creek

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

Near Cow Creek

River and lake gauges