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Winchester, Nevada

Community in Clark County, Nevada

Air quality

The air at Winchester

Index 36, good, led by ozone. Read at 8 PM from its reporting area, Las Vegas (NV), 7 miles off.

36Good
  • Fine particles (PM2.5)23Good1.9 mi
  • Ozone36Good36 ppb2.9 mi
  • Coarse particles (PM10)21Good1.9 mi
  • Nitrogen dioxide6Good6.1 ppb1.9 mi
  • Sulfur dioxide0Good0 ppb2.9 mi
  • Carbon monoxide-0 ppm1.9 mi

The days ahead

Highest moderate, Sun Oct 18, led by fine particles. Yesterday measured 40, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

ThuFriSat

Precipitation

What has fallen at Winchester

None in the last 3 days, to Thu 7 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 Winchester, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

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

What is measuring near here

The 7 instruments nearest Winchester, 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 now5 instruments

US-95 MM 53BDCNV

Beside a road/19.5 mi away/1,719 ft/248 ft below here

temp, pavement temp, wind, visibility, precip

Rank573of 698

Lovell SummitS2146

At a soil climate station/27.0 mi away/6,582 ft/4,615 ft above here

temp, humidity, soil temp, soil moisture

Rank464of 698

measured daily2 instruments

Las Vegas 7.0 SENV-CK-87

In a volunteer observer's own ground/0.1 mi away/1,954 ft/13 ft below here

precip, snowfall, snow depth

Rank-

Las Vegas NvVEF

At a cooperative observer's station/6.9 mi away/2,287 ft/320 ft above here

snowfall, snow depth, precip, high, low

Rank14of 698

Station report

The weather at Las Vegas - Harry Reid Intl, drawn

The nearest airport reporting now, 4.9 mi from Winchester, Nevada. From its report of Oct 15, 2026, 7:56 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 6DATE2026-10-16IDSR-LAS-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

74.0 F with a dew point of 39.0 F, 28 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,900 ft up.

Chart of the air at Las Vegas - Harry Reid Intl: temperature 74.0 degrees Fahrenheit and dew point 39.0, 28 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,900 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 STATION02,0004,0006,0008,00010,00020 F30 F40 F50 F60 F70 F80 FSATURATES 7,900 FT ABOVE THE STATION, AT 31.7 FTEMPERATURE 74.0 FDEW POINT 39.0 FSPREAD 35.0 FRELATIVE HUMIDITY 28 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 6DATE2026-10-16IDSR-LAS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 16 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Las Vegas - Harry Reid Intl, north up: blowing from 40 degrees, the northeast, at 16 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate 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 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELas Vegas - Harry Reid Intl, the windSTATION REPORT · ASOS LASTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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), 6.9 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Nevada

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

Near Winchester

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

Near Winchester

River and lake gauges