Storm Station
Arco, Minnesota
61°
Overcast· Feels like 61°·Light breeze 6 mph SSE
Areas of drizzle and areas of fog. Mostly cloudy, with a low around 60. South southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
97%Humidity
93%Cloud

What is measuring near here

The 5 instruments nearest Arco, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Lake Benton US-14 Mile Post 7MN028

Beside a road/10.3 mi away/1,955 ft/253 ft above here

temp, pavement temp, wind, visibility, precip

Rank489of 732

Marshall/RyanMML

At an airfield/18.6 mi away/1,178 ft/524 ft below here

temp, wind, gust, visibility, precip, pressure

Rank5of 732

measured daily2 instruments

Arco 0.2 WMN-LN-5

In a volunteer observer's own ground/0.1 mi away/1,677 ft/25 ft below here

precip, snowfall, snow depth

Rank-

MinneotaMNNM5

At a cooperative observer's station/15.3 mi away/1,168 ft/534 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Marshall/Ryan, drawn

The nearest airport reporting now, 18.6 mi from Arco. From its report of Sep 27, 2026, 3:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 300 ft; the ceiling is 300 ft; visibility 1/2 mi.

Section of the sky over Marshall/Ryan, height above the station to scale: overcast cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 1/2 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMLFIG. A THE SKY OVER MARSHALL/RYANSECTION, 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 300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 1/2 MI0510TITLEMarshall/Ryan, the skySTATION REPORT · ASOS MMLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MML-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.0 F with a dew point of 62.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 300 ft.

Chart of the air at Marshall/Ryan: temperature 62.0 degrees Fahrenheit and dew point 62.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMLFIG. B THE AIR AT MARSHALL/RYANTHE 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 300 FTTEMPERATURE AND DEW POINT 62.0 F, 62.0 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 POINTTITLEMarshall/Ryan, the airSTATION REPORT · ASOS MMLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-MML-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Marshall/Ryan, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMLFIG. C THE WIND AT MARSHALL/RYANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarshall/Ryan, the windSTATION REPORT · ASOS MMLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-MML-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Minnesota

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

Near Arco

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