Storm Station
Pierson, Michigan
50°
Clear· Feels like 49°·Light air 3 mph E
Mostly clear, with a low around 43. North northeast wind around 3 mph.
-UV
-Air quality
89%Humidity
4%Cloud

What is measuring near here

The 5 instruments nearest Pierson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.3 miles away.

measured now3 instruments

US131Mm1178MC144

Beside a road/5.3 mi away/879 ft/30 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

Kent City - MawnKTYM4

At a river or reservoir gauge/14.6 mi away/925 ft/16 ft above here

temp, wind, gust, humidity, pressure

Rank346of 407

Sparta8D4

At an airfield/16.1 mi away/748 ft/161 ft below here

temp, wind, gust, visibility, precip, pressure

Rank30of 407

measured daily2 instruments

Sand Lake 5.3 WMI-NW-1

In a volunteer observer's own ground/6.3 mi away/996 ft/87 ft above here

precip, snowfall, snow depth

Rank-

RockfordRFDM4

At a cooperative observer's station/14.5 mi away/713 ft/196 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sparta, drawn

The nearest airport reporting now, 16.1 mi from Pierson. From its report of Sep 27, 2026, 4:55 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 Sparta, 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 8D4FIG. A THE SKY OVER SPARTASECTION, 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 MORE0510TITLESparta, the skySTATION REPORT · ASOS 8D4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-8D4-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.8 F with a dew point of 41.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Sparta: temperature 42.8 degrees Fahrenheit and dew point 41.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D4FIG. B THE AIR AT SPARTATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 400 FT ABOVE THE STATION, AT 40.5 FTEMPERATURE AND DEW POINT 42.8 F, 41.0 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 POINTTITLESparta, the airSTATION REPORT · ASOS 8D4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-8D4-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (50 degrees) at 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Sparta, north up: blowing from 50 degrees, the northeast, at 1 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 8D4FIG. C THE WIND AT SPARTAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 50°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESparta, the windSTATION REPORT · ASOS 8D4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-8D4-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Sparta, 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 Pierson

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