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Mount Ivy, New York

Community in Rockland County, New York

Air quality

The air at Mount Ivy

Index 29, good, led by ozone. Read at 4 AM from its reporting area, New York City Region (NY), 26 miles off.

29Good
  • Fine particles (PM2.5)17Good23.5 mi
  • Ozone29Good19 ppb0.6 mi
  • Nitrogen dioxide4Good4 ppb23.5 mi
  • Carbon monoxide-0.1 ppm23.5 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 24, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Mount Ivy

None in the last 24 hours; 0.04 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.04in

Visibility

How far you can see at Mount Ivy, the next 41 hours

Fog: visibility falls to 0.6 miles Fri 8 AM, under a mile for 1 hour.

FriSat

On the radar over Mount Ivy, New YorkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Mount Ivy, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now4 instruments

SchodackNY003

Beside a road/36.3 mi away/328 ft/86 ft below here

temp, pavement temp, wind, visibility, precip

Rank1,057of 1,432

measured daily2 instruments

Pomona 1.2 ENY-RL-9

In a volunteer observer's own ground/0.1 mi away/499 ft/85 ft above here

precip, snowfall, snow depth

Rank-

Shrub OakOAKN6

At a cooperative observer's station/14.0 mi away/428 ft/14 ft above here

snowfall, snow depth, precip, high, low

Rank22of 1,432

Station report

The weather at White Plains, drawn

The nearest airport reporting now, 18.9 mi from Mount Ivy, New York. From its report of Oct 16, 2026, 3:56 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,200 ft; the ceiling is 2,200 ft; visibility 10 mi or more.

Section of the sky over White Plains, height above the station to scale: overcast cloud with its base at 2,200 feet, the ceiling at 2,200 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HPNFIG. A THE SKY OVER WHITE PLAINSSECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,200 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWhite Plains, the skySTATION REPORT · ASOS HPNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HPN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

56.0 F with a dew point of 52.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 2,200 ft.

Chart of the air at White Plains: temperature 56.0 degrees Fahrenheit and dew point 52.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 2,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HPNFIG. B THE AIR AT WHITE PLAINSTHE 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 F70 FSATURATES 900 FT ABOVE THE STATION, AT 51.1 FLOWEST CLOUD REPORTED, OVC 2,200 FTTEMPERATURE 56.0 FDEW POINT 52.0 FSPREAD 4.0 FRELATIVE HUMIDITY 86 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 POINTTITLEWhite Plains, the airSTATION REPORT · ASOS HPNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HPN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at White Plains, 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 HPNFIG. C THE WIND AT WHITE PLAINSPLAN, 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 FORCE73TITLEWhite Plains, the windSTATION REPORT · ASOS HPNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HPN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Shrub Oak (OAKN6), 14.0 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in New York

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

Near Mount Ivy

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

Near Mount Ivy

River and lake gauges