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Piedmont, South Dakota

City in Meade County, South Dakota

Air quality

The air at Piedmont

Index 48, good, led by coarse particles. Read at 12 AM from its reporting area, Rapid City (SD), 9 miles off.

48Good
  • Fine particles (PM2.5)31Good-
  • Ozone33Good-
  • Coarse particles (PM10)48Good-

The days ahead

Yesterday measured 38, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Piedmont

None in the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Piedmont, the next 42 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Piedmont, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now4 instruments

SD RWIS Silver CitySD063

Beside a road/10.8 mi away/4,833 ft/1,307 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Piedmont 2.2 SESD-MD-23

In a volunteer observer's own ground/0.0 mi away/3,523 ft/3 ft below here

precip, snowfall, snow depth

Rank-

PiedmontPMTS2

At a cooperative observer's station/3.1 mi away/3,559 ft/33 ft above here

snowfall, snow depth, precip, high, low

Rank776of 806

Station report

The weather at Ellsworth AFB, drawn

The nearest airport reporting now, 13.4 mi from Piedmont, South Dakota. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Ellsworth AFB, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCAFIG. A THE SKY OVER ELLSWORTH AFBSECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEEllsworth AFB, the skySTATION REPORT · ASOS RCATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RCA-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.3 F with a dew point of 25.0 F, 50 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,900 ft up.

Chart of the air at Ellsworth AFB: temperature 42.3 degrees Fahrenheit and dew point 25.0, 50 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCAFIG. B THE AIR AT ELLSWORTH AFBTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00010 F20 F30 F40 F50 FSATURATES 3,900 FT ABOVE THE STATION, AT 21.4 FTEMPERATURE 42.3 FDEW POINT 25.0 FSPREAD 17.3 FRELATIVE HUMIDITY 50 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 POINTTITLEEllsworth AFB, the airSTATION REPORT · ASOS RCATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-RCA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 28 mph, gusting 35 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 55 mph.

Plan of the wind at Ellsworth AFB, north up: blowing from 330 degrees, the north northwest, at 28 miles an hour, gusting 35; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCAFIG. C THE WIND AT ELLSWORTH AFBPLAN, 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, 28 MPH7NEAR GALE32GUST, 35 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEllsworth AFB, the windSTATION REPORT · ASOS RCATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-RCA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Piedmont (PMTS2), 3.1 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in South Dakota

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

Near Piedmont

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

Near Piedmont

River and lake gauges