Storm Station
Avon, South Dakota
62° 70°/61°
Mostly clear· Feels like 62°·Light breeze 5 mph E
Areas of fog. Mostly cloudy, with a low around 61. East southeast wind around 5 mph.
0UV Low
25Air quality
96%Humidity
48%Cloud
Now
2:45 AM
62feels62
now, mostly clear
Today
Sep 27
7061
drizzle light
Mon
Sep 28
7063
16mph
fog
Tue
Sep 29
6762
75%
16mph
showers violent
Wed
Sep 30
6862
33%
drizzle light
Thu
Oct 1
6452
22%
19mph
overcast
Fri
Oct 2
6445
13mph
clear day
Sat
Oct 3
7047
22mph
overcast
62°
70°61°
70°63°
67°62°
68°62°
64°52°
64°45°
70°47°

As of 2:45 AM in Avon, South Dakota.

What is measuring near here

The 5 instruments nearest Avon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Sd RWIS WagnerSD622

Beside a road/6.2 mi away/1,673 ft/60 ft above here

temp, pavement temp, wind, visibility, precip

Rank306of 427

WagnerAGZ

At an airfield/12.6 mi away/1,467 ft/146 ft below here

temp, wind, gust, visibility, precip, pressure

Rank13of 427

Fort Randall DamFRDS2

At a dam/27.6 mi away/1,342 ft/271 ft below here

temp, wind, gust, humidity, pressure

Rank92of 427

measured daily2 instruments

Avon 0.4 NESD-BH-17

In a volunteer observer's own ground/0.3 mi away/1,618 ft/5 ft above here

precip, snowfall, snow depth

Rank-

TyndallTYNS2

At a cooperative observer's station/10.0 mi away/1,421 ft/192 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Wagner, drawn

The nearest airport reporting now, 12.6 mi from Avon. From its report of Sep 27, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 100 ft; the ceiling is 100 ft; visibility 1/4 mi.

Section of the sky over Wagner, height above the station to scale: overcast cloud with its base at 100 feet, the ceiling at 100 feet, and visibility of 1/4 mi.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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 100 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 100 FTVISIBILITY, MILES: 1/4 MI0510TITLEWagner, the skySTATION REPORT · ASOS AGZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-AGZ-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.6 F with a dew point of 62.6 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 100 ft.

Chart of the air at Wagner: temperature 62.6 degrees Fahrenheit and dew point 62.6, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 100 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 STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 100 FTTEMPERATURE AND DEW POINT 62.6 F, 62.6 FRELATIVE HUMIDITY 100 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 6DATE2026-09-27IDSR-AGZ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Wagner, north up: blowing from 350 degrees, the north, at 1 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, 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 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWagner, the windSTATION REPORT · ASOS AGZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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), 10.0 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in South Dakota

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

Near Avon

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