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Claire City, South Dakota

Town in Roberts County, South Dakota

Air quality

The air at Claire City

Index 21, good, led by ozone. Read at 8 AM from its reporting area, Watertown (SD), 66 miles off.

21Good
  • Fine particles (PM2.5)11Good-
  • Ozone21Good-
  • Coarse particles (PM10)13Good-

The days ahead

Yesterday measured 25, good.

Smoke, the next 41 hours

Little smoke near the ground through Mon 1 AM: the index from smoke stays at 6 or under.

SatSun

Precipitation

What has fallen at Claire City

None in the last 24 hours; 0.22 in over the last 3 days, to Sat 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.22in

Visibility

How far you can see at Claire City, the next 41 hours

Visibility stays 10 miles or more through Mon 1 AM.

SatSun

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

What is measuring near here

The 5 instruments nearest Claire City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 12.0 miles away.

measured now3 instruments

Sisseton8D3

At an airfield/14.1 mi away/1,154 ft/47 ft below here

temp, wind, gust, visibility, precip, pressure

Rank135of 817

measured daily2 instruments

Veblen 3.4 WSWSD-MR-16

In a volunteer observer's own ground/12.0 mi away/1,769 ft/568 ft above here

precip, snowfall, snow depth

Rank-

SissetonSSSS2

At a cooperative observer's station/13.3 mi away/1,217 ft/16 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sisseton, drawn

The nearest airport reporting now, 14.1 mi from Claire City, South Dakota. From its report of Oct 17, 2026, 8:56 AM local time: 3 of its 5 sheets.

The air

48.0 F with a dew point of 30.0 F, 49 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,100 ft up.

Chart of the air at Sisseton: temperature 48.0 degrees Fahrenheit and dew point 30.0, 49 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D3FIG. B THE AIR AT SISSETONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 FSATURATES 4,100 FT ABOVE THE STATION, AT 26.2 FTEMPERATURE 48.0 FDEW POINT 30.0 FSPREAD 18.0 FRELATIVE HUMIDITY 49 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 POINTTITLESisseton, the airSTATION REPORT · ASOS 8D3TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-17IDSR-8D3-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 24 mph, gusting 37 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 46 mph.

Plan of the wind at Sisseton, north up: blowing from 220 degrees, the southwest, at 24 miles an hour, gusting 37; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D3FIG. C THE WIND AT SISSETONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 24 MPH6STRONG BREEZE257NEAR GALE32GUST, 37 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESisseton, the windSTATION REPORT · ASOS 8D3TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-17IDSR-8D3-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 1,154 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.69 inHg and the temperature at 54.9 F; the station's altimeter setting of 30.15 inHg means its barometer reads 28.91 inHg; it reports 48.0 F, 6.9 F colder than standard.

Section from sea level of where Sisseton stands in the atmosphere, height to scale: the station 1,154 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.69 inches of mercury, and temperature, 54.9 degrees Fahrenheit; the altimeter setting of 30.15 and the station pressure it means, 28.91.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D3FIG. D WHERE SISSETON STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERESISSETON4 PER CENT OF THE AIR BELOW IT1,154 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.69 inHgSTANDARD TEMPERATURE HERE54.9 FALTIMETER SETTING, REPORTED30.15 inHgITS BAROMETER READS28.91 inHgTEMPERATURE, REPORTED48.0 FTITLESisseton, the columnSTATION REPORT · ASOS 8D3TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-17IDSR-8D3-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Sisseton, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Sisseton (SSSS2), 13.3 miles from here, read 15 Oct, 22:00. measured daily

Elsewhere in South Dakota

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

Near Claire City

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

Near Claire City

River and lake gauges