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Spring Valley, Nevada

Community in Clark County, Nevada

Air quality

The air at Spring Valley

Index 33, good, led by ozone. Read at 9 PM from its reporting area, Las Vegas (NV), 8 miles off.

33Good
  • Fine particles (PM2.5)19Good1 mi
  • Ozone33Good33 ppb1 mi
  • Coarse particles (PM10)18Good1 mi
  • Nitrogen dioxide14Good15 ppb5.9 mi
  • Sulfur dioxide0Good0.5 ppb11.1 mi
  • Carbon monoxide-0.2 ppm5.9 mi

The days ahead

Highest moderate, Sun Oct 18, led by fine particles. Yesterday measured 39, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 5 PM: the index from smoke stays at 17 or under.

SatSun

Precipitation

What has fallen at Spring Valley

None in the last 3 days, to Fri 8 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 Spring Valley, the next 45 hours

Visibility stays 10 miles or more through Sun 5 PM.

SatSun

On the radar over Spring Valley, NevadaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Spring Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now5 instruments

Red Rock RAWSRRKN2

A remote fire weather station/9.3 mi away/3,766 ft/1,322 ft above here

temp, wind, gust, humidity, pressure

Rank51of 695

Lovell SummitS2146

At a soil climate station/19.8 mi away/6,582 ft/4,138 ft above here

temp, humidity, soil temp, soil moisture

Rank449of 695

measured daily2 instruments

Las Vegas NvVEF

At a cooperative observer's station/5.9 mi away/2,287 ft/157 ft below here

snowfall, snow depth, precip, high, low

Rank20of 695

Station report

The weather at Las Vegas - Harry Reid Intl, drawn

The nearest airport reporting now, 6.1 mi from Spring Valley, Nevada. From its report of Oct 16, 2026, 8:56 PM 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 Las Vegas - Harry Reid Intl, 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 LASFIG. A THE SKY OVER LAS VEGAS - HARRY REID INTLSECTION, 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 MORE0510TITLELas Vegas - Harry Reid Intl, the skySTATION REPORT · ASOS LASTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-LAS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

75.0 F with a dew point of 30.0 F, 19 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 10,100 ft up.

Chart of the air at Las Vegas - Harry Reid Intl: temperature 75.0 degrees Fahrenheit and dew point 30.0, 19 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 10,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LASFIG. B THE AIR AT LAS VEGAS - HARRY REID INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00010 F30 F50 F70 F90 FSATURATES 10,100 FT ABOVE THE STATION, AT 21.0 FTEMPERATURE 75.0 FDEW POINT 30.0 FSPREAD 45.0 FRELATIVE HUMIDITY 19 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 POINTTITLELas Vegas - Harry Reid Intl, the airSTATION REPORT · ASOS LASTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-LAS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (20 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Las Vegas - Harry Reid Intl, north up: blowing from 20 degrees, the north northeast, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LASFIG. C THE WIND AT LAS VEGAS - HARRY REID INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 20°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELas Vegas - Harry Reid Intl, the windSTATION REPORT · ASOS LASTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-LAS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Las Vegas - Harry Reid Intl, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Las Vegas Nv (VEF), 5.9 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in Nevada

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

Near Spring Valley

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

Near Spring Valley

River and lake gauges