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Tyndall, South Dakota

City in Bon Homme County, South Dakota

Air quality

The air at Tyndall

Index 27, good, led by ozone. Read at 10 PM from its reporting area, Santee Sioux Reservation (NE), 11 miles off.

27Good
  • Ozone27Good-

The days ahead

Yesterday measured 15, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Tyndall

0.39 in in the last 24 hours, 0.43 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.39in
Last 3 days
0.43in

Visibility

How far you can see at Tyndall, the next 45 hours

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

FriSat

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

What is measuring near here

The 5 instruments nearest Tyndall, 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 now3 instruments

SD RWIS TyndallSD071

Beside a road/4.7 mi away/1,332 ft/89 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

WagnerAGZ

At an airfield/22.3 mi away/1,467 ft/46 ft above here

temp, wind, gust, visibility, precip, pressure

Rank721of 806

measured daily2 instruments

TyndallTYNS2

At a cooperative observer's station/0.2 mi away/1,421 ft/level with here

snowfall, snow depth, precip, high, low

Rank25of 806

Tyndall 0.3 WNWSD-BH-1

In a volunteer observer's own ground/0.2 mi away/1,430 ft/9 ft above here

precip, snowfall, snow depth

Rank30of 806

Station report

The weather at Wagner, drawn

The nearest airport reporting now, 22.3 mi from Tyndall, South Dakota. From its report of Oct 15, 2026, 10:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 3,900 ft; the ceiling is 3,900 ft; visibility 10 mi or more.

Section of the sky over Wagner, height above the station to scale: overcast cloud with its base at 3,900 feet, the ceiling at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. A THE SKY OVER WAGNERSECTION, 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 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWagner, the skySTATION REPORT · ASOS AGZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AGZ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.2 F with a dew point of 35.6 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Wagner: temperature 48.2 degrees Fahrenheit and dew point 35.6, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. B THE AIR AT WAGNERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 2,900 FT ABOVE THE STATION, AT 32.9 FLOWEST CLOUD REPORTED, OVC 3,900 FTTEMPERATURE 48.2 FDEW POINT 35.6 FSPREAD 12.6 FRELATIVE HUMIDITY 62 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 POINTTITLEWagner, the airSTATION REPORT · ASOS AGZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AGZ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 26 mph, gusting 36 mph: force 6, a strong breeze on the Beaufort scale. The strongest gust today was 40 mph.

Plan of the wind at Wagner, north up: blowing from 320 degrees, the northwest, at 26 miles an hour, gusting 36; beside it the Beaufort scale from calm to hurricane force, force 6, strong breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AGZFIG. C THE WIND AT WAGNERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25NOW, 26 MPH7NEAR GALE32GUST, 36 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWagner, the windSTATION REPORT · ASOS AGZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AGZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Tyndall (TYNS2), 0.2 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 Tyndall

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

Near Tyndall

River and lake gauges