Storm Station
Green Valley, South Dakota
58°
Clear· Feels like 58°·Light breeze 7 mph N
Partly cloudy. Low around 52, with temperatures rising to around 55 overnight. North wind 5 to 8 mph.
-UV
-Air quality
56%Humidity
5%Cloud

What is measuring near here

The 5 instruments nearest Green Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.1 miles away.

measured now3 instruments

Rapid CityRAP

At an airfield/3.0 mi away/3,165 ft/123 ft above here

temp, wind, gust, visibility, precip, pressure

Rank23of 427

Sd RWIS EllsworthSD523

Beside a road/5.7 mi away/3,071 ft/29 ft above here

temp, pavement temp, wind, visibility, precip

Rank403of 427

measured daily2 instruments

Rapid Valley 1.3 SSWSD-PN-73

In a volunteer observer's own ground/1.6 mi away/3,137 ft/95 ft above here

precip, snowfall, snow depth

Rank-

Wfo Rapid CityUNRS2

At a cooperative observer's station/5.4 mi away/3,356 ft/314 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rapid City, drawn

The nearest airport reporting now, 3.0 mi from Green Valley. From its report of Sep 27, 2026, 1:52 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 Rapid City, 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 RAPFIG. A THE SKY OVER RAPID CITYSECTION, 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 MORE0510TITLERapid City, the skySTATION REPORT · ASOS RAPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-RAP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

55.0 F with a dew point of 46.0 F, 72 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up.

Chart of the air at Rapid City: temperature 55.0 degrees Fahrenheit and dew point 46.0, 72 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RAPFIG. B THE AIR AT RAPID CITYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 F70 FSATURATES 2,100 FT ABOVE THE STATION, AT 44.0 FTEMPERATURE 55.0 FDEW POINT 46.0 FSPREAD 9.0 FRELATIVE HUMIDITY 72 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 POINTTITLERapid City, the airSTATION REPORT · ASOS RAPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-RAP-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Rapid City, north up: blowing from 350 degrees, the north, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RAPFIG. C THE WIND AT RAPID CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERapid City, the windSTATION REPORT · ASOS RAPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-RAP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Wfo Rapid City (UNRS2), 5.4 miles from here, read 26 Sep, 23:59. measured daily

Elsewhere in South Dakota

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

Near Green Valley

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