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Frederick, South Dakota

Town in Brown County, South Dakota

Air quality

The air at Frederick

Index 14, good, led by coarse particles. Read at 11 PM from its reporting area, Aberdeen (SD), 25 miles off.

14Good
  • Fine particles (PM2.5)4Good-
  • Coarse particles (PM10)14Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Frederick

0.19 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.19in
Last 3 days
0.19in

Visibility

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

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Frederick, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now5 instruments

AberdeenABR

At an airfield/26.8 mi away/1,296 ft/91 ft below here

temp, wind, gust, visibility, precip, pressure

Rank473of 806

measured daily2 instruments

Frederick 1.1 NNESD-BR-32

In a volunteer observer's own ground/1.0 mi away/1,394 ft/7 ft above here

precip, snowfall, snow depth

Rank-

Westport 2NWWPTS2

At a cooperative observer's station/10.9 mi away/1,378 ft/9 ft below here

snowfall, snow depth, precip, high, low

Rank451of 806

Station report

The weather at Aberdeen, drawn

The nearest airport reporting now, 26.8 mi from Frederick, South Dakota. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

Broken at 2,400 ft, overcast at 3,400 ft; the ceiling is 2,400 ft.

Section of the sky over Aberdeen, height above the station to scale: broken cloud with its base at 2,400 feet, overcast cloud with its base at 3,400 feet, the ceiling at 2,400 feet.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABRFIG. A THE SKY OVER ABERDEENSECTION, 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 3,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,400 FTTITLEAberdeen, the skySTATION REPORT · ASOS ABRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ABR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.0 F with a dew point of 40.0 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up; the lowest cloud reported is at 2,400 ft.

Chart of the air at Aberdeen: temperature 46.0 degrees Fahrenheit and dew point 40.0, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station, against the lowest cloud reported at 2,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABRFIG. B THE AIR AT ABERDEENTHE 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 1,400 FT ABOVE THE STATION, AT 38.6 FLOWEST CLOUD REPORTED, BKN 2,400 FTTEMPERATURE 46.0 FDEW POINT 40.0 FSPREAD 6.0 FRELATIVE HUMIDITY 79 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 POINTTITLEAberdeen, the airSTATION REPORT · ASOS ABRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ABR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 21 mph, gusting 33 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 47 mph.

Plan of the wind at Aberdeen, north up: blowing from 320 degrees, the northwest, at 21 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ABRFIG. C THE WIND AT ABERDEENPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE257NEAR GALE32GUST, 33 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAberdeen, the windSTATION REPORT · ASOS ABRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ABR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Westport 2NW (WPTS2), 10.9 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in South Dakota

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

Near Frederick

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

Near Frederick

River and lake gauges