Storm Station
Marvin, South Dakota
61° 69°/60°
Overcast· Feels like 61°·Light air 4 mph SE
Patchy fog. Mostly cloudy, with a low around 59. Southwest wind around 3 mph.
0UV Low
23Air quality
97%Humidity
100%Cloud
Now
2:45 AM
61feels61
now, overcast
Today
Sep 27
6960
fog
Mon
Sep 28
6958
20mph
drizzle light
Tue
Sep 29
7462
65%
23mph
drizzle
Wed
Sep 30
7760
17mph
overcast
Thu
Oct 1
6349
18mph
overcast
Fri
Oct 2
6544
15mph
partly cloudy day
Sat
Oct 3
6751
23mph
overcast
61°
69°60°
69°58°
74°62°
77°60°
63°49°
65°44°
67°51°

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

What is measuring near here

The 5 instruments nearest Marvin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.3 miles away.

measured now3 instruments

SD RWIS SummitSD066

Beside a road/7.7 mi away/1,982 ft/343 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

Marvin 9SWMVNS2

At a river or reservoir gauge/10.0 mi away/1,924 ft/285 ft above here

temp, wind, gust, humidity, pressure

Rank-

Milbank1D1

At an airfield/16.8 mi away/1,122 ft/517 ft below here

temp, wind, gust, visibility, precip, pressure

Rank9of 427

measured daily2 instruments

Summit 0.7 SESD-GT-3

In a volunteer observer's own ground/6.3 mi away/2,005 ft/366 ft above here

precip, snowfall, snow depth

Rank-

Watertown-28MI.NSMTS2

At a cooperative observer's station/8.1 mi away/1,939 ft/300 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Milbank, drawn

The nearest airport reporting now, 16.8 mi from Marvin. From its report of Sep 27, 2026, 2:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 200 ft, overcast at 1,200 ft; the ceiling is 200 ft; visibility 4 mi.

Section of the sky over Milbank, height above the station to scale: broken cloud with its base at 200 feet, overcast cloud with its base at 1,200 feet, the ceiling at 200 feet, and visibility of 4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1D1FIG. A THE SKY OVER MILBANKSECTION, 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 1,200 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 200 FTVISIBILITY, MILES: 4 MI0510TITLEMilbank, the skySTATION REPORT · ASOS 1D1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-1D1-1DRAWN AS linework on paperSOURCES 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 200 ft.

Chart of the air at Milbank: 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 200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1D1FIG. B THE AIR AT MILBANKTHE 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, BKN 200 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 POINTTITLEMilbank, the airSTATION REPORT · ASOS 1D1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-1D1-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Milbank, north up: blowing from 140 degrees, the 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 1D1FIG. C THE WIND AT MILBANKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMilbank, the windSTATION REPORT · ASOS 1D1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-1D1-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Watertown-28MI.N (SMTS2), 8.1 miles from here, read 21 Sep, 07:00. measured daily

Elsewhere in South Dakota

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

Near Marvin

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