Storm Station
Sister Bay, Wisconsin
55°
Mostly clear· Feels like 55°·Light air 3 mph E
Patchy fog after 4am. Partly cloudy, with a low around 53. North northwest wind around 2 mph.
-UV
-Air quality
80%Humidity
18%Cloud

What is measuring near here

The 4 instruments nearest Sister Bay, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now2 instruments

Ephraim3D2

At an airfield/4.6 mi away/754 ft/52 ft above here

temp, wind, gust, visibility, precip, pressure

Rank217of 347

measured daily2 instruments

Sister Bay 1.3 NNEWI-DR-6

In a volunteer observer's own ground/1.4 mi away/700 ft/2 ft below here

precip, snowfall, snow depth

Rank-

Ephraim-1 NE WWTPEPMW3

At a water treatment plant/1.7 mi away/722 ft/20 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Ephraim, drawn

The nearest airport reporting now, 4.6 mi from Sister Bay. From its report of Sep 27, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Ephraim, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3D2FIG. A THE SKY OVER EPHRAIMSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEEphraim, the skySTATION REPORT · ASOS 3D2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-3D2-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

54.0 F with a dew point of 53.2 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Ephraim: temperature 54.0 degrees Fahrenheit and dew point 53.2, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3D2FIG. B THE AIR AT EPHRAIMTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 200 FT ABOVE THE STATION, AT 53.0 FTEMPERATURE AND DEW POINT 54.0 F, 53.2 FRELATIVE HUMIDITY 97 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 POINTTITLEEphraim, the airSTATION REPORT · ASOS 3D2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-3D2-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Ephraim, north up: blowing from 330 degrees, the north northwest, at 3 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 3D2FIG. C THE WIND AT EPHRAIMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEphraim, the windSTATION REPORT · ASOS 3D2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-3D2-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Wisconsin

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

Near Sister Bay

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