Storm Station
South Lyon, Michigan
54°
Clear· Feels like 54°·Light air 4 mph NNE
Patchy fog before 5am. Mostly clear, with a low around 48. North wind around 6 mph.
-UV
-Air quality
73%Humidity
8%Cloud

What is measuring near here

The 5 instruments nearest South Lyon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

I96Mm1529MC208

Beside a road/3.8 mi away/899 ft/35 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

Detroit/WillowYIP

At an airfield/16.7 mi away/705 ft/229 ft below here

temp, wind, gust, visibility, precip, pressure

Rank90of 407

Fenton - Holy RAWSHRAM4

A remote fire weather station/24.5 mi away/889 ft/45 ft below here

temp, wind, gust, humidity, pressure

Rank63of 407

measured daily2 instruments

South Lyon 1.6 NEMI-OK-191

In a volunteer observer's own ground/1.5 mi away/981 ft/47 ft above here

precip, snowfall, snow depth

Rank-

Whitmore Lake 1NWWHLM4

At a cooperative observer's station/7.0 mi away/906 ft/28 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Detroit/Willow, drawn

The nearest airport reporting now, 16.7 mi from South Lyon. From its report of Sep 27, 2026, 3:53 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 Detroit/Willow, 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 YIPFIG. A THE SKY OVER DETROIT/WILLOWSECTION, 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 MORE0510TITLEDetroit/Willow, the skySTATION REPORT · ASOS YIPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-YIP-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

49.0 F with a dew point of 47.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Detroit/Willow: temperature 49.0 degrees Fahrenheit and dew point 47.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT YIPFIG. B THE AIR AT DETROIT/WILLOWTHE 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 500 FT ABOVE THE STATION, AT 46.5 FTEMPERATURE AND DEW POINT 49.0 F, 47.0 FRELATIVE HUMIDITY 93 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 POINTTITLEDetroit/Willow, the airSTATION REPORT · ASOS YIPTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-YIP-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 Detroit/Willow, 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 YIPFIG. C THE WIND AT DETROIT/WILLOWPLAN, 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 FORCE73TITLEDetroit/Willow, the windSTATION REPORT · ASOS YIPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-YIP-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Michigan

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

Near South Lyon

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