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Garretson, South Dakota

City in Minnehaha County, South Dakota

Air quality

The air at Garretson

Index 16, good, led by ozone. Read at 11 PM from its reporting area, Sioux Falls (SD), 15 miles off.

16Good
  • Fine particles (PM2.5)14Good-
  • Ozone16Good-
  • Coarse particles (PM10)14Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Garretson

0.02 in in the last 24 hours, 0.69 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.69in

Visibility

How far you can see at Garretson, the next 45 hours

Visibility stays 8 miles or more through Sun 7 PM, lowest 9 miles Sat 6 AM.

SatSun

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

What is measuring near here

The 8 instruments nearest Garretson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now6 instruments

Sioux FallsFSD

At an airfield/15.7 mi away/1,407 ft/94 ft below here

temp, wind, gust, visibility, precip, pressure

Rank135of 817

measured daily2 instruments

Garretson 0.1 NWSD-MH-133

In a volunteer observer's own ground/0.4 mi away/1,504 ft/3 ft above here

precip, snowfall, snow depth

Rank-

Sioux FallsEROS2

At a cooperative observer's station/5.9 mi away/1,591 ft/90 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sioux Falls, drawn

The nearest airport reporting now, 15.7 mi from Garretson, South Dakota. From its report of Oct 16, 2026, 10:56 PM 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 Sioux Falls, 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 FSDFIG. A THE SKY OVER SIOUX FALLSSECTION, 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 MORE0510TITLESioux Falls, the skySTATION REPORT · ASOS FSDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-FSD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.0 F with a dew point of 30.0 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up.

Chart of the air at Sioux Falls: temperature 35.0 degrees Fahrenheit and dew point 30.0, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSDFIG. B THE AIR AT SIOUX FALLSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,100 FT ABOVE THE STATION, AT 28.9 FTEMPERATURE 35.0 FDEW POINT 30.0 FSPREAD 5.0 FRELATIVE HUMIDITY 82 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 POINTTITLESioux Falls, the airSTATION REPORT · ASOS FSDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-FSD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Sioux Falls, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSDFIG. C THE WIND AT SIOUX FALLSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux Falls, the windSTATION REPORT · ASOS FSDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-FSD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Sioux Falls, 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 Garretson

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

Near Garretson

River and lake gauges