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Buffalo Gap, South Dakota

Town in Custer County, South Dakota

Air quality

The air at Buffalo Gap

Index 39, good, led by ozone. Read at 4 AM from its reporting area, Wind Cave (SD), 10 miles off.

39Good
  • Fine particles (PM2.5)28Good-
  • Ozone39Good-
  • Coarse particles (PM10)6Good-

The days ahead

Yesterday measured 39, good.

Smoke, the next 44 hours

Little smoke near the ground through Mon 12 AM: the index from smoke stays at 6 or under.

SatSun

Precipitation

What has fallen at Buffalo Gap

None in the last 24 hours; 0.36 in over the last 3 days, to Sat 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.36in

Visibility

How far you can see at Buffalo Gap, the next 44 hours

Visibility stays 10 miles or more through Mon 12 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Buffalo Gap, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

CusterCUT

At an airfield/22.3 mi away/5,534 ft/2,265 ft above here

temp, wind, gust, visibility, precip, pressure

Rank677of 817

measured daily2 instruments

Buffalo Gap 0.3 ESD-CS-12

In a volunteer observer's own ground/0.3 mi away/3,251 ft/18 ft below here

precip, snowfall, snow depth

Rank-

OralORLS2

At a cooperative observer's station/6.6 mi away/2,982 ft/287 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Custer, drawn

The nearest airport reporting now, 22.3 mi from Buffalo Gap, South Dakota. From its report of Oct 17, 2026, 4:53 AM 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 Custer, 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 CUTFIG. A THE SKY OVER CUSTERSECTION, 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 MORE0510TITLECuster, the skySTATION REPORT · ASOS CUTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-CUT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.0 F with a dew point of 24.0 F, 42 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,000 ft up.

Chart of the air at Custer: temperature 46.0 degrees Fahrenheit and dew point 24.0, 42 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CUTFIG. B THE AIR AT CUSTERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00010 F20 F30 F40 F50 F60 FSATURATES 5,000 FT ABOVE THE STATION, AT 19.5 FTEMPERATURE 46.0 FDEW POINT 24.0 FSPREAD 22.0 FRELATIVE HUMIDITY 42 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 POINTTITLECuster, the airSTATION REPORT · ASOS CUTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-CUT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 12 mph, gusting 21 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Custer, north up: blowing from 250 degrees, the west southwest, at 12 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CUTFIG. C THE WIND AT CUSTERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECuster, the windSTATION REPORT · ASOS CUTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-CUT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Oral (ORLS2), 6.6 miles from here, read 10 Oct, 07:00. measured daily

Elsewhere in South Dakota

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

Near Buffalo Gap

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

Near Buffalo Gap

River and lake gauges