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Placerville, Idaho

City in Boise County, Idaho

Air quality

The air at Placerville

Index 21, good, led by fine particles. Read at 10 PM from its reporting area, Idaho City (ID), 10 miles off.

21Good
  • Fine particles (PM2.5)21Good-

The days ahead

Good each day through Wed Oct 21, led by fine particles. Yesterday measured 21, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 6 PM: the index from smoke stays at 22 or under.

SatSun

Precipitation

What has fallen at Placerville

None in the last 3 days, to Fri 9 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 Placerville, the next 45 hours

Visibility stays 10 miles or more through Sun 6 PM.

SatSun

On the radar over Placerville, IdahoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Placerville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

Town CreekTCFI1

At a river or reservoir gauge/1.7 mi away/4,662 ft/304 ft above here

temp, wind, gust, humidity, pressure

Rank168of 840

Boise MunicipalBOI

At an airfield/29.7 mi away/2,867 ft/1,491 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1of 840

measured daily2 instruments

Centerville Arbaugh RanchCVAI1

On a farm or research station/5.3 mi away/4,452 ft/94 ft above here

snowfall, snow depth, precip, high, low

Rank-

Garden Valley 0.8 SID-BS-11

In a volunteer observer's own ground/9.7 mi away/3,132 ft/1,226 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Boise Municipal, drawn

The nearest airport reporting now, 29.7 mi from Placerville, Idaho. From its report of Oct 16, 2026, 9:53 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 Boise Municipal, 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 BOIFIG. A THE SKY OVER BOISE MUNICIPALSECTION, 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 MORE0510TITLEBoise Municipal, the skySTATION REPORT · ASOS BOITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-BOI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

61.0 F with a dew point of 24.0 F, 24 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 8,300 ft up.

Chart of the air at Boise Municipal: temperature 61.0 degrees Fahrenheit and dew point 24.0, 24 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 8,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BOIFIG. B THE AIR AT BOISE MUNICIPALTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00010 F20 F30 F40 F50 F60 F70 FSATURATES 8,300 FT ABOVE THE STATION, AT 16.6 FTEMPERATURE 61.0 FDEW POINT 24.0 FSPREAD 37.0 FRELATIVE HUMIDITY 24 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 POINTTITLEBoise Municipal, the airSTATION REPORT · ASOS BOITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-BOI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (130 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Boise Municipal, north up: blowing from 130 degrees, the southeast, at 9 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 BOIFIG. C THE WIND AT BOISE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBoise Municipal, the windSTATION REPORT · ASOS BOITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-BOI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Idaho

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

Near Placerville

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

Near Placerville

River and lake gauges