Storm Station
Mason, Michigan
46°
Clear· Feels like 46°·Light air 1 mph NE
Partly cloudy, with a low around 45. North wind around 3 mph.
-UV
-Air quality
80%Humidity
2%Cloud

What is measuring near here

The 5 instruments nearest Mason, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

MasonTEW

At an airfield/1.6 mi away/919 ft/29 ft above here

temp, wind, gust, visibility, precip, pressure

Rank30of 407

Holt 3NNEMHTM4

At a river or reservoir gauge/6.7 mi away/876 ft/14 ft below here

temp, wind, gust, humidity, pressure

Rank247of 407

I96Mm0760MC149

Beside a road/30.5 mi away/761 ft/129 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Mason 0.4 SMI-IH-59

In a volunteer observer's own ground/0.3 mi away/985 ft/95 ft above here

precip, snowfall, snow depth

Rank-

Eaton RapidsETNM4

At a cooperative observer's station/11.0 mi away/869 ft/21 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mason, drawn

The nearest airport reporting now, 1.6 mi from Mason. From its report of Sep 27, 2026, 5:35 AM local time: 3 of its 5 sheets.

The air

42.0 F with a dew point of 40.0 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 Mason: temperature 42.0 degrees Fahrenheit and dew point 40.0, 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 TEWFIG. B THE AIR AT MASONTHE 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 500 FT ABOVE THE STATION, AT 39.5 FTEMPERATURE AND DEW POINT 42.0 F, 40.0 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 POINTTITLEMason, the airSTATION REPORT · ASOS TEWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-TEW-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Mason, 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 TEWFIG. C THE WIND AT MASONPLAN, 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 FORCE73TITLEMason, the windSTATION REPORT · ASOS TEWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-TEW-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 919 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.94 inHg and the temperature at 55.7 F; the station's altimeter setting of 30.09 inHg means its barometer reads 29.10 inHg; it reports 42.0 F, 13.7 F colder than standard.

Section from sea level of where Mason stands in the atmosphere, height to scale: the station 919 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 28.94 inches of mercury, and temperature, 55.7 degrees Fahrenheit; the altimeter setting of 30.09 and the station pressure it means, 29.10.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TEWFIG. D WHERE MASON STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREMASON3 PER CENT OF THE AIR BELOW IT919 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.94 inHgSTANDARD TEMPERATURE HERE55.7 FALTIMETER SETTING, REPORTED30.09 inHgITS BAROMETER READS29.10 inHgTEMPERATURE, REPORTED42.0 FTITLEMason, the columnSTATION REPORT · ASOS TEWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-TEW-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Mason, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Eaton Rapids (ETNM4), 11.0 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Michigan

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

Near Mason

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