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Nisland, South Dakota

Town in Butte County, South Dakota

Air quality

The air at Nisland

Index 48, good, led by coarse particles. Read at 12 AM from its reporting area, Rapid City (SD), 43 miles off.

48Good
  • Fine particles (PM2.5)31Good-
  • Ozone33Good-
  • Coarse particles (PM10)48Good-

The days ahead

Yesterday measured 38, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Nisland

0.07 in in the last 24 hours, 0.14 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.07in
Last 3 days
0.14in

Visibility

How far you can see at Nisland, the next 42 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Nisland, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now4 instruments

SpearfishSPF

At an airfield/17.5 mi away/3,892 ft/1,037 ft above here

temp, wind, gust, visibility, precip, pressure

Rank523of 806

measured daily2 instruments

Nisland 2.8 SESD-BT-18

In a volunteer observer's own ground/2.8 mi away/2,894 ft/39 ft above here

precip, snowfall, snow depth

Rank-

NewellNWLS2

At a cooperative observer's station/6.8 mi away/2,848 ft/7 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Spearfish, drawn

The nearest airport reporting now, 17.5 mi from Nisland, South Dakota. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 5,000 ft; the ceiling is 5,000 ft; visibility 10 mi or more.

Section of the sky over Spearfish, height above the station to scale: overcast cloud with its base at 5,000 feet, the ceiling at 5,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPFFIG. A THE SKY OVER SPEARFISHSECTION, 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 SHEETOVC 5,000 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 5,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESpearfish, the skySTATION REPORT · ASOS SPFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SPF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

39.2 F with a dew point of 24.8 F, 56 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,300 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Spearfish: temperature 39.2 degrees Fahrenheit and dew point 24.8, 56 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,300 feet above the station, against the lowest cloud reported at 5,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPFFIG. B THE AIR AT SPEARFISHTHE 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 FSATURATES 3,300 FT ABOVE THE STATION, AT 21.8 FLOWEST CLOUD REPORTED, OVC 5,000 FTTEMPERATURE 39.2 FDEW POINT 24.8 FSPREAD 14.4 FRELATIVE HUMIDITY 56 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 POINTTITLESpearfish, the airSTATION REPORT · ASOS SPFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SPF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 20 mph, gusting 26 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 44 mph.

Plan of the wind at Spearfish, north up: blowing from 300 degrees, the west northwest, at 20 miles an hour, gusting 26; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPFFIG. C THE WIND AT SPEARFISHPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE25GUST, 26 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESpearfish, the windSTATION REPORT · ASOS SPFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SPF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Spearfish, 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 Nisland

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

Near Nisland

River and lake gauges