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West Brule, South Dakota

Community in Lyman County, South Dakota

Air quality

The air at West Brule

Index 26, good, led by fine particles. Read at 4 AM from its reporting area, Pierre (SD), 38 miles off.

26Good
  • Fine particles (PM2.5)26Good-

The days ahead

Yesterday measured 27, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at West Brule

0.13 in in the last 24 hours, 0.18 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.18in

Visibility

How far you can see at West Brule, the next 46 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest West Brule, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.4 miles away.

measured now4 instruments

Chamberlain9V9

At an airfield/26.5 mi away/1,672 ft/102 ft below here

temp, wind, gust, visibility, precip, pressure

Rank117of 806

Pierre 24S94085

At a climate reference station/35.7 mi away/2,123 ft/349 ft above here

temp, humidity, wind, solar, precip

Rank511of 806

measured daily2 instruments

Lower Brule 2.6 NSD-LY-25

In a volunteer observer's own ground/3.4 mi away/1,483 ft/291 ft below here

precip, snowfall, snow depth

Rank-

KennebecKENS2

At a cooperative observer's station/15.8 mi away/1,699 ft/75 ft below here

snowfall, snow depth, precip, high, low

Rank57of 806

Station report

The weather at Chamberlain, drawn

The nearest airport reporting now, 26.5 mi from West Brule, South Dakota. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 4,900 ft; visibility 10 mi or more.

Section of the sky over Chamberlain, height above the station to scale: scattered cloud with its base at 4,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9V9FIG. A THE SKY OVER CHAMBERLAINSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETSCT 4,900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEChamberlain, the skySTATION REPORT · ASOS 9V9TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-9V9-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.0 F with a dew point of 35.8 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up; the lowest cloud reported is at 4,900 ft.

Chart of the air at Chamberlain: temperature 44.0 degrees Fahrenheit and dew point 35.8, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,900 feet above the station, against the lowest cloud reported at 4,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9V9FIG. B THE AIR AT CHAMBERLAINTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 FSATURATES 1,900 FT ABOVE THE STATION, AT 34.0 FLOWEST CLOUD REPORTED, SCT 4,900 FTTEMPERATURE 44.0 FDEW POINT 35.8 FSPREAD 8.2 FRELATIVE HUMIDITY 73 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 POINTTITLEChamberlain, the airSTATION REPORT · ASOS 9V9TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-9V9-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 26 mph, gusting 39 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 44 mph.

Plan of the wind at Chamberlain, north up: blowing from 340 degrees, the north northwest, at 26 miles an hour, gusting 39; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9V9FIG. C THE WIND AT CHAMBERLAINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 26 MPH7NEAR GALE328GALE39GUST, 39 MPH9STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChamberlain, the windSTATION REPORT · ASOS 9V9TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-9V9-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in South Dakota

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

Near West Brule

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

Near West Brule

River and lake gauges