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Mongaup Valley, New York

Community in Sullivan County, New York

Air quality

The air at Mongaup Valley

Index 22, good, led by fine particles. Read at 11 PM from its reporting area, Delaware Water Gap (NJ), 48 miles off.

22Good
  • Fine particles (PM2.5)22Good-
  • Ozone18Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 48, good.

Smoke, the next 46 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 Mongaup Valley

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Mongaup Valley, the next 46 hours

Mist or haze: visibility falls to 2 miles Fri 8 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Mongaup Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now3 instruments

MonticelloMSV

At an airfield/1.7 mi away/1,404 ft/266 ft above here

temp, wind, gust, visibility, precip, pressure

Rank786of 1,432

measured daily2 instruments

Monticello 4.4 NWNY-SV-17

In a volunteer observer's own ground/1.7 mi away/1,141 ft/3 ft above here

precip, snowfall, snow depth

Rank-

Liberty 1 NeLBTN6

At a cooperative observer's station/8.6 mi away/1,598 ft/460 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Monticello, drawn

The nearest airport reporting now, 1.7 mi from Mongaup Valley, New York. From its report of Oct 15, 2026, 10:56 PM local time: 3 of its 6 sheets.

The sky

Scattered at 7,000 ft, broken at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Monticello, height above the station to scale: scattered cloud with its base at 7,000 feet, broken cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. A THE SKY OVER MONTICELLOSECTION, 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 FTBKN 10,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 7,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMonticello, the skySTATION REPORT · ASOS MSVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MSV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

50.0 F with a dew point of 42.0 F, 74 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up; the lowest cloud reported is at 7,000 ft.

Chart of the air at Monticello: temperature 50.0 degrees Fahrenheit and dew point 42.0, 74 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station, against the lowest cloud reported at 7,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. B THE AIR AT MONTICELLOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00030 F40 F50 F60 FSATURATES 1,800 FT ABOVE THE STATION, AT 40.2 FLOWEST CLOUD REPORTED, SCT 7,000 FTTEMPERATURE 50.0 FDEW POINT 42.0 FSPREAD 8.0 FRELATIVE HUMIDITY 74 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 POINTTITLEMonticello, the airSTATION REPORT · ASOS MSVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MSV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (80 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Monticello, north up: blowing from 80 degrees, the east, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSVFIG. C THE WIND AT MONTICELLOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 80°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello, the windSTATION REPORT · ASOS MSVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MSV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in New York

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

Near Mongaup Valley

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

Near Mongaup Valley

River and lake gauges