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Caspian, Michigan

City in Iron County, Michigan

Air quality

The air at Caspian

Index 3, good, led by fine particles. Read at 7 AM from its reporting area, Western Upper Peninsula (MI), 29 miles off.

3Good
  • Fine particles (PM2.5)3Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 12, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Caspian

0.95 in in the last 24 hours, and none in the 2 days before, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.95in
Last 3 days
0.95in

Visibility

How far you can see at Caspian, the next 43 hours

Visibility stays 6 miles or more through Sun 1 AM, lowest 7 miles Fri 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Caspian, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

Golden LakeMC011

Beside a road/13.8 mi away/1,666 ft/175 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Stambaugh 2SSESTMM4

At a cooperative observer's station/0.6 mi away/1,470 ft/21 ft below here

snowfall, snow depth, precip, high, low

Rank170of 979

Station report

The weather at Iron Mountain, drawn

The nearest airport reporting now, 30.0 mi from Caspian, Michigan. From its report of Oct 16, 2026, 6:54 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,300 ft, broken at 2,900 ft, overcast at 10,000 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over Iron Mountain, height above the station to scale: scattered cloud with its base at 1,300 feet, broken cloud with its base at 2,900 feet, overcast cloud with its base at 10,000 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IMTFIG. A THE SKY OVER IRON MOUNTAINSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 10,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,300 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIron Mountain, the skySTATION REPORT · ASOS IMTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IMT-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

45.0 F with a dew point of 42.0 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Iron Mountain: temperature 45.0 degrees Fahrenheit and dew point 42.0, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IMTFIG. B THE AIR AT IRON MOUNTAINTHE 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 F60 FSATURATES 700 FT ABOVE THE STATION, AT 41.3 FLOWEST CLOUD REPORTED, SCT 1,300 FTTEMPERATURE 45.0 FDEW POINT 42.0 FSPREAD 3.0 FRELATIVE HUMIDITY 89 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 POINTTITLEIron Mountain, the airSTATION REPORT · ASOS IMTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IMT-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 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Iron Mountain, north up: blowing from 330 degrees, the north northwest, at 13 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IMTFIG. C THE WIND AT IRON MOUNTAINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIron Mountain, the windSTATION REPORT · ASOS IMTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IMT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Stambaugh 2SSE (STMM4), 0.6 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Michigan

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

Near Caspian

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

Near Caspian

River and lake gauges