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Ypsilanti, Michigan

City in Washtenaw County, Michigan

Air quality

The air at Ypsilanti

Index 36, good, led by fine particles. Read at 12 AM from its reporting area, Southeast (MI), 22 miles off.

36Good
  • Fine particles (PM2.5)36Good1.2 mi
  • Ozone24Good22 ppb1.2 mi
  • Coarse particles (PM10)14Good21.1 mi
  • Nitrogen dioxide11Good12.9 ppb20.4 mi
  • Sulfur dioxide0Good0 ppb21.1 mi
  • Carbon monoxide-0 ppm20.4 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 38, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Ypsilanti

0.05 in in the last 24 hours, 0.08 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.05in
Last 3 days
0.08in

Visibility

How far you can see at Ypsilanti, the next 44 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Ypsilanti, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

M-11MC135

Beside a road/4.6 mi away/699 ft/74 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Ypsilanti 0.3 WNWMI-WS-85

In a volunteer observer's own ground/0.2 mi away/788 ft/15 ft above here

precip, snowfall, snow depth

Rank-

Ann Arbor SEAASM4

At a cooperative observer's station/3.6 mi away/840 ft/67 ft above here

snowfall, snow depth, precip, high, low

Rank34of 979

Station report

The weather at Detroit/Willow, drawn

The nearest airport reporting now, 4.7 mi from Ypsilanti, Michigan. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft; visibility 6 mi.

Section of the sky over Detroit/Willow, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 6 mi.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 SHEETOVC 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 6 MI0510TITLEDetroit/Willow, the skySTATION REPORT · ASOS YIPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-YIP-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

63.0 F with a dew point of 61.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 800 ft.

Chart of the air at Detroit/Willow: temperature 63.0 degrees Fahrenheit and dew point 61.0, 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, against the lowest cloud reported at 800 feet; 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 STATION01,0002,0003,00050 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 60.5 FLOWEST CLOUD REPORTED, OVC 800 FTTEMPERATURE AND DEW POINT 63.0 F, 61.0 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 6DATE2026-10-16IDSR-YIP-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (210 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Detroit/Willow, north up: blowing from 210 degrees, the south southwest, 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 YIPFIG. C THE WIND AT DETROIT/WILLOWPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 210°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDetroit/Willow, the windSTATION REPORT · ASOS YIPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

0in

Snow on the ground

Measured at Ann Arbor SE (AASM4), 3.6 miles from here, read 15 Oct, 07:30. measured daily

Elsewhere in Michigan

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

Near Ypsilanti

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

Near Ypsilanti

River and lake gauges