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Wentworth, South Dakota

Village in Lake County, South Dakota

Air quality

The air at Wentworth

Index 37, good, led by fine particles. Read at 11 PM from its reporting area, Brookings (SD), 25 miles off.

37Good
  • Fine particles (PM2.5)37Good-
  • Ozone19Good-
  • Coarse particles (PM10)27Good-

The days ahead

Yesterday measured 21, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Wentworth

0.32 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.32in
Last 3 days
0.32in

Visibility

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

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 8 instruments nearest Wentworth, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now6 instruments

MadisonMDS

At an airfield/6.2 mi away/1,709 ft/11 ft above here

temp, wind, gust, visibility, precip, pressure

Rank655of 806

measured daily2 instruments

Wentworth 0.2 SSESD-LK-14

In a volunteer observer's own ground/0.2 mi away/1,711 ft/13 ft above here

precip, snowfall, snow depth

Rank-

MadisonMRFS2

At a cooperative observer's station/13.4 mi away/1,742 ft/44 ft above here

snowfall, snow depth, precip, high, low

Rank23of 806

Station report

The weather at Madison, drawn

The nearest airport reporting now, 6.2 mi from Wentworth, South Dakota. From its report of Oct 15, 2026, 11:35 PM local time: 3 of its 6 sheets.

The sky

Overcast at 2,100 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Madison, height above the station to scale: overcast cloud with its base at 2,100 feet, the ceiling at 2,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDSFIG. A THE SKY OVER MADISONSECTION, 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 2,100 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMadison, the skySTATION REPORT · ASOS MDSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MDS-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 41.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 2,100 ft.

Chart of the air at Madison: temperature 44.6 degrees Fahrenheit and dew point 41.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 2,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDSFIG. B THE AIR AT MADISONTHE 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 800 FT ABOVE THE STATION, AT 40.2 FLOWEST CLOUD REPORTED, OVC 2,100 FTTEMPERATURE 44.6 FDEW POINT 41.0 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEMadison, the airSTATION REPORT · ASOS MDSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MDS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 24 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 39 mph.

Plan of the wind at Madison, north up: blowing from 310 degrees, the northwest, at 24 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MDSFIG. C THE WIND AT MADISONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMadison, the windSTATION REPORT · ASOS MDSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MDS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Madison (MRFS2), 13.4 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in South Dakota

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

Near Wentworth

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

Near Wentworth

River and lake gauges