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Hartford, South Dakota

City in Minnehaha County, South Dakota

Air quality

The air at Hartford

Index 16, good, led by ozone. Read at 4 AM from its reporting area, Sioux Falls (SD), 13 miles off.

16Good
  • Fine particles (PM2.5)14Good-
  • Ozone16Good-
  • Coarse particles (PM10)12Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Hartford

0.65 in in the last 24 hours, 0.70 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.65in
Last 3 days
0.70in

Visibility

How far you can see at Hartford, the next 46 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 8 instruments nearest Hartford, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now6 instruments

Sioux FallsFSD

At an airfield/10.0 mi away/1,407 ft/166 ft below here

temp, wind, gust, visibility, precip, pressure

Rank141of 806

measured daily2 instruments

Hartford 0.5 NSD-MH-46

In a volunteer observer's own ground/0.5 mi away/1,606 ft/33 ft above here

precip, snowfall, snow depth

Rank30of 806

Station report

The weather at Sioux Falls, drawn

The nearest airport reporting now, 10.0 mi from Hartford, South Dakota. From its report of Oct 16, 2026, 4:14 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,700 ft, broken at 2,900 ft, overcast at 3,800 ft; the ceiling is 2,900 ft; visibility 9 mi.

Section of the sky over Sioux Falls, height above the station to scale: a few clouds cloud with its base at 1,700 feet, broken cloud with its base at 2,900 feet, overcast cloud with its base at 3,800 feet, the ceiling at 2,900 feet, and visibility of 9 mi.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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,800 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYFEW 1,700 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 9 MI0510TITLESioux Falls, the skySTATION REPORT · ASOS FSDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FSD-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 39.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,700 ft.

Chart of the air at Sioux Falls: temperature 43.0 degrees Fahrenheit and dew point 39.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 1,700 feet; 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 STATION01,0002,0003,00030 F40 F50 FSATURATES 900 FT ABOVE THE STATION, AT 38.1 FLOWEST CLOUD REPORTED, FEW 1,700 FTTEMPERATURE 43.0 FDEW POINT 39.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 6DATE2026-10-16IDSR-FSD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 25 mph, gusting 38 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Sioux Falls, north up: blowing from 330 degrees, the north northwest, at 25 miles an hour, gusting 38; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, 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 STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 25 MPH7NEAR GALE32GUST, 38 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux Falls, the windSTATION REPORT · ASOS FSDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

0in

Snow on the ground

Measured at Sioux Falls NWS Wfo AP (FSDS2), 10.9 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in South Dakota

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

Near Hartford

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

Near Hartford

River and lake gauges