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Chatham, Michigan

Village in Alger County, Michigan

Air quality

The air at Chatham

Index 17, good, led by ozone. Read at 5 AM from its reporting area, Eastern Upper Peninsula (MI), 58 miles off.

17Good
  • Fine particles (PM2.5)5Good-
  • Ozone17Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 17, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 2 AM.

FriSat

Precipitation

What has fallen at Chatham

1.15 in in the last 24 hours, and none in the 2 days before, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
1.15in
Last 3 days
1.15in

Visibility

How far you can see at Chatham, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 10 PM.

FriSat

On the radar over Chatham, MichiganReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Chatham, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now5 instruments

ChathamCTMM4

At a river or reservoir gauge/0.9 mi away/846 ft/40 ft below here

temp, wind, gust, humidity, pressure

Rank353of 979

Chatham 1 SE54810

At a climate reference station/1.1 mi away/875 ft/11 ft below here

temp, humidity, wind, solar, precip

Rank687of 979

Au TrainMC002

Beside a road/7.7 mi away/610 ft/276 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

MunisingP53

At an airfield/14.5 mi away/598 ft/288 ft below here

temp, wind, gust, visibility, precip, pressure

Rank226of 979

measured daily2 instruments

Limestone 0.5 NMI-AG-3

In a volunteer observer's own ground/5.0 mi away/921 ft/35 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Munising, drawn

The nearest airport reporting now, 14.5 mi from Chatham, Michigan. From its report of Oct 16, 2026, 4:56 AM local time: 3 of its 5 sheets.

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 Munising: 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 P53FIG. B THE AIR AT MUNISINGTHE 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 POINTTITLEMunising, the airSTATION REPORT · ASOS P53TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-P53-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Munising, north up: blowing from 360 degrees, the north, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT P53FIG. C THE WIND AT MUNISINGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMunising, the windSTATION REPORT · ASOS P53TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-P53-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 598 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.28 inHg and the temperature at 56.9 F; the station's altimeter setting of 29.79 inHg means its barometer reads 29.15 inHg; it reports 49.0 F, 7.9 F colder than standard.

Section from sea level of where Munising stands in the atmosphere, height to scale: the station 598 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.28 inches of mercury, and temperature, 56.9 degrees Fahrenheit; the altimeter setting of 29.79 and the station pressure it means, 29.15.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT P53FIG. D WHERE MUNISING 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 ATMOSPHEREMUNISING2 PER CENT OF THE AIR BELOW IT598 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 HERE29.28 inHgSTANDARD TEMPERATURE HERE56.9 FALTIMETER SETTING, REPORTED29.79 inHgITS BAROMETER READS29.15 inHgTEMPERATURE, REPORTED49.0 FTITLEMunising, the columnSTATION REPORT · ASOS P53TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-P53-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

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

0in

Snow on the ground

Measured at Experiment Farm #2 (CEFM4), 1.1 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Michigan

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

Near Chatham

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

Near Chatham

River and lake gauges