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Harrold, South Dakota

Town in Hughes County, South Dakota

Air quality

The air at Harrold

Index 27, good, led by fine particles. Read at 11 PM from its reporting area, Pierre (SD), 29 miles off.

27Good
  • Fine particles (PM2.5)27Good-

The days ahead

Yesterday measured 37, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Harrold

0.41 in in the last 24 hours, 0.47 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.41in
Last 3 days
0.47in

Visibility

How far you can see at Harrold, the next 44 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 12 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Harrold, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now4 instruments

SD RWIS HarroldSD034

Beside a road/0.7 mi away/1,791 ft/6 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

Blunt 6ENEBLNS2

At a river or reservoir gauge/6.7 mi away/1,722 ft/75 ft below here

temp, wind, gust, humidity, pressure

Rank-

Onida98D

At an airfield/21.9 mi away/1,870 ft/73 ft above here

temp, wind, gust, visibility, precip, pressure

Rank700of 806

measured daily2 instruments

Harrold 3.8 ESESD-HY-3

In a volunteer observer's own ground/3.7 mi away/1,768 ft/29 ft below here

precip, snowfall, snow depth

Rank-

HighmoreHMRS2

At a cooperative observer's station/14.6 mi away/1,900 ft/103 ft above here

snowfall, snow depth, precip, high, low

Rank97of 806

Station report

The weather at Onida, drawn

The nearest airport reporting now, 21.9 mi from Harrold, South Dakota. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over Onida, height above the station to scale: overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 98DFIG. A THE SKY OVER ONIDASECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEOnida, the skySTATION REPORT · ASOS 98DTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-98D-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.6 F with a dew point of 39.2 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 2,200 ft.

Chart of the air at Onida: temperature 44.6 degrees Fahrenheit and dew point 39.2, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 2,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 98DFIG. B THE AIR AT ONIDATHE 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 FSATURATES 1,200 FT ABOVE THE STATION, AT 38.0 FLOWEST CLOUD REPORTED, OVC 2,200 FTTEMPERATURE 44.6 FDEW POINT 39.2 FSPREAD 5.4 FRELATIVE HUMIDITY 81 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 POINTTITLEOnida, the airSTATION REPORT · ASOS 98DTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-98D-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 28 mph, gusting 43 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 56 mph.

Plan of the wind at Onida, north up: blowing from 340 degrees, the north northwest, at 28 miles an hour, gusting 43; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 98DFIG. C THE WIND AT ONIDAPLAN, 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, 28 MPH7NEAR GALE328GALE39GUST, 43 MPH9STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEOnida, the windSTATION REPORT · ASOS 98DTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-98D-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in South Dakota

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

Near Harrold

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

Near Harrold

River and lake gauges