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Greenleaf, Idaho

City in Canyon County, Idaho

Air quality

The air at Greenleaf

Index 29, good, led by fine particles. Read at 10 PM from its reporting area, Ontario (OR), 25 miles off.

29Good
  • Fine particles (PM2.5)29Good-

The days ahead

Yesterday measured 22, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Greenleaf

None in the last 3 days, to Thu 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 Greenleaf, the next 44 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Greenleaf, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now5 instruments

CaldwellEUL

At an airfield/9.3 mi away/2,428 ft/11 ft above here

temp, wind, gust, visibility, precip, pressure

Rank115of 833

Murphy 10 W04127

At a climate reference station/32.8 mi away/3,950 ft/1,533 ft above here

temp, humidity, wind, solar, precip

Rank499of 833

measured daily2 instruments

Homedale 1 SEHOMI1

At a cooperative observer's station/6.9 mi away/2,234 ft/183 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Caldwell, drawn

The nearest airport reporting now, 9.3 mi from Greenleaf, Idaho. From its report of Oct 15, 2026, 9:56 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 3 mi.

Section of the sky over Caldwell, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EULFIG. A THE SKY OVER CALDWELLSECTION, 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: 3 MI0510TITLECaldwell, the skySTATION REPORT · ASOS EULTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EUL-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

49.0 F with a dew point of 37.0 F, 63 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up.

Chart of the air at Caldwell: temperature 49.0 degrees Fahrenheit and dew point 37.0, 63 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EULFIG. B THE AIR AT CALDWELLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,700 FT ABOVE THE STATION, AT 34.4 FTEMPERATURE 49.0 FDEW POINT 37.0 FSPREAD 12.0 FRELATIVE HUMIDITY 63 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 POINTTITLECaldwell, the airSTATION REPORT · ASOS EULTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EUL-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (50 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Caldwell, north up: blowing from 50 degrees, the northeast, at 5 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 EULFIG. C THE WIND AT CALDWELLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 50°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECaldwell, the windSTATION REPORT · ASOS EULTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EUL-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Caldwell, 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 Greenleaf

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

Near Greenleaf

River and lake gauges