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Castleford, Idaho

City in Twin Falls County, Idaho

Air quality

The air at Castleford

Index 5, good, led by fine particles. Read at 10 PM from its reporting area, Twin Falls (ID), 22 miles off.

5Good
  • Fine particles (PM2.5)5Good19.4 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 21, good.

Smoke, the next 45 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 Castleford

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 Castleford, the next 45 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Castleford, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.4 miles away.

measured now3 instruments

D4 - TuttleITD14

Beside a road/21.6 mi away/3,360 ft/513 ft below here

temp, pavement temp, wind, visibility, precip

Rank697of 833

measured daily2 instruments

Buhl 4.2 SEID-TF-5

In a volunteer observer's own ground/8.4 mi away/4,010 ft/137 ft above here

precip, snowfall, snow depth

Rank-

JeromeJRMI1

At a cooperative observer's station/23.2 mi away/3,737 ft/136 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Twin Falls/Joslin, drawn

The nearest airport reporting now, 19.8 mi from Castleford, Idaho. From its report of Oct 15, 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 Twin Falls/Joslin, 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 TWFFIG. A THE SKY OVER TWIN FALLS/JOSLINSECTION, 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 MORE0510TITLETwin Falls/Joslin, the skySTATION REPORT · ASOS TWFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-TWF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.0 F with a dew point of 29.0 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at Twin Falls/Joslin: temperature 42.0 degrees Fahrenheit and dew point 29.0, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TWFFIG. B THE AIR AT TWIN FALLS/JOSLINTHE 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 FSATURATES 3,000 FT ABOVE THE STATION, AT 26.2 FTEMPERATURE 42.0 FDEW POINT 29.0 FSPREAD 13.0 FRELATIVE HUMIDITY 60 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 POINTTITLETwin Falls/Joslin, the airSTATION REPORT · ASOS TWFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-TWF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Twin Falls/Joslin, north up: blowing from 150 degrees, the south southeast, at 10 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 TWFFIG. C THE WIND AT TWIN FALLS/JOSLINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETwin Falls/Joslin, the windSTATION REPORT · ASOS TWFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-TWF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Twin Falls/Joslin, 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 Castleford

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

Near Castleford

River and lake gauges