Storm Station
Porcupine, South Dakota
60°
Clear· Feels like 60°·Light breeze 7 mph E
Partly cloudy, with a low around 51. East wind around 5 mph.
-UV
-Air quality
69%Humidity
3%Cloud

What is measuring near here

The 5 instruments nearest Porcupine, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.7 miles away.

measured now3 instruments

Porcupine RAWSPRGS2

A remote fire weather station/4.7 mi away/3,642 ft/533 ft above here

temp, wind, gust, humidity, pressure

Rank68of 427

Sd RWIS BateslandSD505

Beside a road/19.6 mi away/3,435 ft/326 ft above here

temp, pavement temp, wind, visibility, precip

Rank397of 427

Pine RidgeIEN

At an airfield/21.4 mi away/3,310 ft/201 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Porcupine 7.3 WNWSD-OL-8

In a volunteer observer's own ground/5.4 mi away/2,891 ft/218 ft below here

precip, snowfall, snow depth

Rank-

KyleKYLS2

At a cooperative observer's station/14.0 mi away/2,941 ft/168 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Porcupine RAWS, drawn

The nearest instrument reporting now, 4.7 mi from Porcupine. From its report of Sep 27, 2026, 3:41 AM local time: 3 of its 5 sheets.

The air

62.0 F with a dew point of 55.7 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Porcupine RAWS: temperature 62.0 degrees Fahrenheit and dew point 55.7, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PRGS2FIG. B THE AIR AT PORCUPINE RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,400 FT ABOVE THE STATION, AT 54.3 FTEMPERATURE 62.0 FDEW POINT 55.7 FSPREAD 6.3 FRELATIVE HUMIDITY 80 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 POINTTITLEPorcupine RAWS, the airSTATION REPORT · DCP PRGS2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-PRGS2-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (85 degrees) at 9 mph, gusting 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 12 mph.

Plan of the wind at Porcupine RAWS, north up: blowing from 85 degrees, the east, at 9 miles an hour, gusting 12; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PRGS2FIG. C THE WIND AT PORCUPINE RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 85°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPorcupine RAWS, the windSTATION REPORT · DCP PRGS2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-PRGS2-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 3,642 ft above sea level, 12 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.19 inHg and the temperature at 46.0 F; it reports 62.0 F, 16.0 F warmer than standard.

Section from sea level of where Porcupine RAWS stands in the atmosphere, height to scale: the station 3,642 feet above sea level with 12 per cent of the air below it; the standard atmosphere's pressure there, 26.19 inches of mercury, and temperature, 46.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PRGS2FIG. D WHERE PORCUPINE RAWS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREPORCUPINE RAWS12 PER CENT OF THE AIR BELOW IT3,642 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE26.19 inHgSTANDARD TEMPERATURE HERE46.0 FTEMPERATURE, REPORTED62.0 FTITLEPorcupine RAWS, the columnSTATION REPORT · DCP PRGS2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-PRGS2-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Porcupine RAWS, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Kyle (KYLS2), 14.0 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 Porcupine

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