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South River, New Mexico

Community in San Juan County, New Mexico

Air quality

The air at South River

Index 29, good, led by ozone. Read at 12 PM from its reporting area, San Juan County (NM), 18 miles off.

29Good
  • Fine particles (PM2.5)-23.8 mi
  • Ozone29Good31 ppb5.2 mi
  • Coarse particles (PM10)4Good23.4 mi
  • Nitrogen dioxide6Good6 ppb5.2 mi

The days ahead

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

Smoke, the next 43 hours

No smoke near the ground through Sun 6 AM.

FriSatSun

Precipitation

What has fallen at South River

None in the last 24 hours; 0.32 in over the last 3 days, to Fri 11 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.32in

Visibility

How far you can see at South River, the next 43 hours

Visibility stays 10 miles or more through Sun 6 AM.

FriSatSun

On the radar over South River, New MexicoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest South River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

measured daily2 instruments

Aztec 4.1 WSWNM-SJ-40

In a volunteer observer's own ground/1.2 mi away/5,500 ft/271 ft below here

precip, snowfall, snow depth

Rank28of 956

Aztec Ruins Natl MonAZTN5

At a cooperative observer's station/3.8 mi away/5,637 ft/134 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Farmington Regional, drawn

The nearest airport reporting now, 10.7 mi from South River, New Mexico. From its report of Oct 16, 2026, 11:53 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Farmington Regional, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FMNFIG. A THE SKY OVER FARMINGTON REGIONALSECTION, 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: 10 MI OR MORE0510TITLEFarmington Regional, the skySTATION REPORT · ASOS FMNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FMN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

54.0 F with a dew point of 34.0 F, 47 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,500 ft up.

Chart of the air at Farmington Regional: temperature 54.0 degrees Fahrenheit and dew point 34.0, 47 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FMNFIG. B THE AIR AT FARMINGTON REGIONALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 FSATURATES 4,500 FT ABOVE THE STATION, AT 29.8 FTEMPERATURE 54.0 FDEW POINT 34.0 FSPREAD 20.0 FRELATIVE HUMIDITY 47 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 POINTTITLEFarmington Regional, the airSTATION REPORT · ASOS FMNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FMN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Farmington Regional, 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 FMNFIG. C THE WIND AT FARMINGTON REGIONALPLAN, 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 FORCE73TITLEFarmington Regional, the windSTATION REPORT · ASOS FMNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FMN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in New Mexico

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

Near South River

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

Near South River

River and lake gauges