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Middleton, Idaho

City in Canyon County, Idaho

Air quality

The air at Middleton

Index 41, good, led by coarse particles. Read at 9 PM from its reporting area, Boise (ID), 21 miles off.

41Good
  • Fine particles (PM2.5)16Good-
  • Ozone35Good-
  • Coarse particles (PM10)41Good-

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 28, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Middleton

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 Middleton, the next 46 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Middleton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now5 instruments

CaldwellEUL

At an airfield/4.8 mi away/2,428 ft/21 ft above here

temp, wind, gust, visibility, precip, pressure

Rank115of 833

Murphy 10 W04127

At a climate reference station/35.8 mi away/3,950 ft/1,543 ft above here

temp, humidity, wind, solar, precip

Rank499of 833

measured daily2 instruments

Emmett 2EEMTI1

At a cooperative observer's station/12.6 mi away/2,490 ft/83 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Caldwell, drawn

The nearest airport reporting now, 4.8 mi from Middleton, Idaho. From its report of Oct 15, 2026, 8:56 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 5 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 5 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: 5 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

53.0 F with a dew point of 36.0 F, 52 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,900 ft up.

Chart of the air at Caldwell: temperature 53.0 degrees Fahrenheit and dew point 36.0, 52 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,900 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 STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 3,900 FT ABOVE THE STATION, AT 32.4 FTEMPERATURE 53.0 FDEW POINT 36.0 FSPREAD 17.0 FRELATIVE HUMIDITY 52 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

Calm.

Plan of the wind at Caldwell, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, 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 STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE 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

0in

Snow on the ground

Measured at Emmett 2E (EMTI1), 12.6 miles from here, read 10 Oct, 07:00. measured daily

Elsewhere in Idaho

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

Near Middleton

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

Near Middleton

River and lake gauges