Storm Station
Viborg, South Dakota
65° 70°/63°
Overcast· Feels like 65°·Light breeze 5 mph SSE
Patchy drizzle before 3am, then patchy drizzle and patchy fog. Cloudy, with a low around 62. East southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
0UV Low
29Air quality
95%Humidity
88%Cloud
Now
2:45 AM
65feels65
15%
now, overcast
Today
Sep 27
7063
15%
drizzle light
Mon
Sep 28
6964
15mph
rain light
Tue
Sep 29
6561
88%
14mph
showers
Wed
Sep 30
6862
36%
drizzle dense
Thu
Oct 1
6450
26%
16mph
overcast
Fri
Oct 2
6344
11%
clear day
Sat
Oct 3
6545
19mph
overcast
65°
70°63°
69°64°
65°61°
68°62°
64°50°
63°44°
65°45°

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

What is measuring near here

The 4 instruments nearest Viborg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.2 miles away.

measured now2 instruments

Sd RWIS IreneSD615

Beside a road/6.2 mi away/1,293 ft/13 ft below here

temp, pavement temp, wind, visibility, precip

Rank234of 427

YanktonYKN

At an airfield/23.4 mi away/1,278 ft/28 ft below here

temp, wind, gust, visibility, precip, pressure

Rank385of 427

measured daily2 instruments

Hurley 0.2 SSD-TR-9

In a volunteer observer's own ground/7.3 mi away/1,290 ft/16 ft below here

precip, snowfall, snow depth

Rank-

CentervilleCENS2

At a cooperative observer's station/12.7 mi away/1,276 ft/30 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Yankton, drawn

The nearest airport reporting now, 23.4 mi from Viborg. From its report of Sep 27, 2026, 1:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 3,500 ft; the ceiling is 3,500 ft; visibility 6 mi.

Section of the sky over Yankton, height above the station to scale: overcast cloud with its base at 3,500 feet, the ceiling at 3,500 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. A THE SKY OVER YANKTONSECTION, 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 3,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,500 FTVISIBILITY, MILES: 6 MI0510TITLEYankton, the skySTATION REPORT · ASOS YKNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-YKN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

64.0 F with a dew point of 64.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 3,500 ft.

Chart of the air at Yankton: temperature 64.0 degrees Fahrenheit and dew point 64.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 3,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. B THE AIR AT YANKTONTHE 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 GROUNDABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 3,500 FTTEMPERATURE AND DEW POINT 64.0 F, 64.0 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 POINTTITLEYankton, the airSTATION REPORT · ASOS YKNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-YKN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (110 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Yankton, north up: blowing from 110 degrees, the east southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YKNFIG. C THE WIND AT YANKTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 110°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEYankton, the windSTATION REPORT · ASOS YKNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-YKN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in South Dakota

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

Near Viborg

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