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Topaz, California

Community in Mono County, California

Air quality

The air at Topaz

Index 9, good, led by coarse particles. Read at 2 AM from its reporting area, South Lake Tahoe (CA), 33 miles off.

9Good
  • Coarse particles (PM10)9Good-

The days ahead

Yesterday measured 9, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 11 PM.

FriSat

Precipitation

What has fallen at Topaz

None in the last 3 days, to Fri 1 AM. 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 Topaz, the next 46 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

On the radar over Topaz, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Topaz, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.5 miles away.

measured now5 instruments

Hwy 50 at Echo SummitCD029

Beside a road/30.4 mi away/7,382 ft/2,350 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

Bodie HillsS2215

At a soil climate station/32.9 mi away/7,825 ft/2,793 ft above here

temp, humidity, soil temp, soil moisture

Rank2,704of 4,465

measured daily2 instruments

BridgeportBPTC1

At a cooperative observer's station/30.1 mi away/6,463 ft/1,431 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at South Lake Tahoe, drawn

The nearest airport reporting now, 31.6 mi from Topaz, California. From its report of Oct 16, 2026, 1:53 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 South Lake Tahoe, 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 TVLFIG. A THE SKY OVER SOUTH LAKE TAHOESECTION, 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 MORE0510TITLESouth Lake Tahoe, the skySTATION REPORT · ASOS TVLTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TVL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 24.0 F, 39 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,400 ft up.

Chart of the air at South Lake Tahoe: temperature 48.0 degrees Fahrenheit and dew point 24.0, 39 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TVLFIG. B THE AIR AT SOUTH LAKE TAHOETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00010 F20 F30 F40 F50 F60 FSATURATES 5,400 FT ABOVE THE STATION, AT 19.1 FTEMPERATURE 48.0 FDEW POINT 24.0 FSPREAD 24.0 FRELATIVE HUMIDITY 39 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 POINTTITLESouth Lake Tahoe, the airSTATION REPORT · ASOS TVLTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TVL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at South Lake Tahoe, north up: at 7 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 TVLFIG. C THE WIND AT SOUTH LAKE TAHOEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESouth Lake Tahoe, the windSTATION REPORT · ASOS TVLTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TVL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in California

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

Near Topaz

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

Near Topaz

River and lake gauges