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Idaho City, Idaho

City in Boise County, Idaho

Air quality

The air at Idaho City

Index 17, good, led by fine particles. Read at 9 PM from its reporting area, Idaho City (ID), 1 mile off.

17Good
  • Fine particles (PM2.5)17Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 24, good.

Smoke, the next 46 hours

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

FriSat

Precipitation

What has fallen at Idaho City

None in the last 3 days, to Thu 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 Idaho City, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Idaho City, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now5 instruments

Idaho CityIDHI1

At a river or reservoir gauge/0.6 mi away/3,990 ft/75 ft above here

temp, wind, gust, humidity, pressure

Rank67of 833

measured daily2 instruments

Centerville Arbaugh RanchCVAI1

On a farm or research station/9.2 mi away/4,452 ft/537 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Boise Municipal, drawn

The nearest airport reporting now, 27.2 mi from Idaho City, Idaho. From its report of Oct 15, 2026, 8:53 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 6DATE2026-10-16IDSR-BOI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 30.0 F, 37 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,900 ft up.

Chart of the air at Boise Municipal: temperature 56.0 degrees Fahrenheit and dew point 30.0, 37 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,900 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 STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 5,900 FT ABOVE THE STATION, AT 24.6 FTEMPERATURE 56.0 FDEW POINT 30.0 FSPREAD 26.0 FRELATIVE HUMIDITY 37 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 6DATE2026-10-16IDSR-BOI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at Boise Municipal, north up: blowing from 120 degrees, the east southeast, 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 BOIFIG. C THE WIND AT BOISE MUNICIPALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBoise Municipal, the windSTATION REPORT · ASOS BOITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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 Idaho City

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

Near Idaho City

River and lake gauges