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Monticello, Utah

City in San Juan County, Utah

Air quality

The air at Monticello

Index 34, good, led by ozone. Read at 3 AM from its reporting area, Canyonlands National Park (UT), 48 miles off.

34Good
  • Ozone34Good-

The days ahead

Yesterday measured 34, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Monticello

None in the last 24 hours; 1.45 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.45in

Visibility

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

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

On the radar over Monticello, UtahReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Monticello, 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 now5 instruments

MonticelloU64

At an airfield/4.3 mi away/6,952 ft/122 ft below here

temp, wind, gust, visibility, precip, pressure

Rank623of 998

EastlandS2130

At a soil climate station/11.3 mi away/6,837 ft/237 ft below here

temp, humidity, soil temp, soil moisture

Rank489of 998

measured daily2 instruments

Monticello 0.3 WUT-SJ-5

In a volunteer observer's own ground/0.2 mi away/7,069 ft/5 ft below here

precip, snowfall, snow depth

Rank-

Monticello No. 2MTOU1

At a cooperative observer's station/0.5 mi away/7,100 ft/26 ft above here

snowfall, snow depth, precip, high, low

Rank357of 998

Station report

The weather at Monticello, drawn

The nearest airport reporting now, 4.3 mi from Monticello, Utah. From its report of Oct 16, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Monticello, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT U64FIG. 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 7 MI0510TITLEMonticello, the skySTATION REPORT · ASOS U64TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-U64-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

36.3 F with a dew point of 32.0 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up.

Chart of the air at Monticello: temperature 36.3 degrees Fahrenheit and dew point 32.0, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT U64FIG. 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 STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,000 FT ABOVE THE STATION, AT 31.0 FTEMPERATURE 36.3 FDEW POINT 32.0 FSPREAD 4.3 FRELATIVE HUMIDITY 84 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 U64TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-U64-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Monticello, north up: at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT U64FIG. C THE WIND AT MONTICELLOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello, the windSTATION REPORT · ASOS U64TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-U64-3DRAWN 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

-

Snow on the ground

Elsewhere in Utah

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

Near Monticello

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

Near Monticello

River and lake gauges