Storm Station
Sign in

Green Valley, South Dakota

Community in Pennington County, South Dakota

Air quality

The air at Green Valley

Index 44, good, led by coarse particles. Read at 8 PM from its reporting area, Rapid City (SD), 8 miles off.

44Good
  • Fine particles (PM2.5)23Good-
  • Ozone32Good35 ppb12.6 mi
  • Coarse particles (PM10)44Good12.6 mi

The days ahead

Yesterday measured 16, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 12 PM.

ThuFriSat

Precipitation

What has fallen at Green Valley

0.01 in in the last 24 hours, and none in the 2 days before, to Thu 7 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.01in

Visibility

How far you can see at Green Valley, the next 41 hours

Visibility stays 10 miles or more through Sat 12 PM.

ThuFriSat

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

What is measuring near here

The 6 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 now4 instruments

Rapid CityRAP

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

temp, wind, gust, visibility, precip, pressure

Rank410of 806

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

Rank727of 806

Station report

The weather at Rapid City, drawn

The nearest airport reporting now, 3.0 mi from Green Valley, South Dakota. From its report of Oct 15, 2026, 7:52 PM local time: 3 of its 6 sheets.

The sky

Overcast at 6,000 ft; the ceiling is 6,000 ft; visibility 10 mi or more.

Section of the sky over Rapid City, height above the station to scale: overcast cloud with its base at 6,000 feet, the ceiling at 6,000 feet, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 6,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERapid City, the skySTATION REPORT · ASOS RAPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-RAP-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

43.0 F with a dew point of 24.0 F, 47 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,300 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Rapid City: temperature 43.0 degrees Fahrenheit and dew point 24.0, 47 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,300 feet above the station, against the lowest cloud reported at 6,000 feet; 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 STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 FSATURATES 4,300 FT ABOVE THE STATION, AT 20.1 FLOWEST CLOUD REPORTED, OVC 6,000 FTTEMPERATURE 43.0 FDEW POINT 24.0 FSPREAD 19.0 FRELATIVE HUMIDITY 47 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 6DATE2026-10-16IDSR-RAP-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 33 mph, gusting 54 mph: force 7, a near gale on the Beaufort scale. The strongest gust today was 59 mph.

Plan of the wind at Rapid City, north up: blowing from 320 degrees, the northwest, at 33 miles an hour, gusting 54; beside it the Beaufort scale from calm to hurricane force, force 7, near gale, 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 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE32NOW, 33 MPH8GALE399STRONG GALE47GUST, 54 MPH10STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERapid City, the windSTATION REPORT · ASOS RAPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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 15 Oct, 06:00. 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.

Near Green Valley

River and lake gauges