Storm Station
Arco, Idaho
55°
Overcast· Feels like 55°·Gentle breeze 10 mph SW
Mostly cloudy. Low around 43, with temperatures rising to around 45 overnight. North northwest wind around 2 mph.
-UV
-Air quality
22%Humidity
82%Cloud

What is measuring near here

The 5 instruments nearest Arco, 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 now3 instruments

Arco RAWSACRI1

A remote fire weather station/4.2 mi away/5,410 ft/85 ft above here

temp, wind, gust, humidity, pressure

Rank160of 617

Arco 17 SW04126

At a climate reference station/17.3 mi away/5,920 ft/595 ft above here

temp, humidity, wind, solar, precip

Rank-

D6 - PuzzleITD95

Beside a road/22.6 mi away/4,934 ft/391 ft below here

temp, pavement temp, wind, visibility, precip

Rank425of 617

measured daily2 instruments

ArcoAROI1

At a cooperative observer's station/0.2 mi away/5,331 ft/6 ft above here

snowfall, snow depth, precip, high, low

Rank-

Arco 0.9 ESEID-BT-1

In a volunteer observer's own ground/1.1 mi away/5,333 ft/8 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Arco RAWS, drawn

The nearest instrument reporting now, 4.2 mi from Arco. From its report of Sep 27, 2026, 4:47 AM local time: 3 of its 5 sheets.

The air

43.0 F with a dew point of 24.1 F, 47 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,200 ft up.

Chart of the air at Arco RAWS: temperature 43.0 degrees Fahrenheit and dew point 24.1, 47 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ACRI1FIG. B THE AIR AT ARCO RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00010 F20 F30 F40 F50 FSATURATES 4,200 FT ABOVE THE STATION, AT 20.3 FTEMPERATURE 43.0 FDEW POINT 24.1 FSPREAD 18.9 FRELATIVE HUMIDITY 47 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 POINTTITLEArco RAWS, the airSTATION REPORT · DCP ACRI1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-ACRI1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (358 degrees) at 4 mph, gusting 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 12 mph.

Plan of the wind at Arco RAWS, north up: blowing from 358 degrees, the north, at 4 miles an hour, gusting 6; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ACRI1FIG. C THE WIND AT ARCO RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 358°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 4 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEArco RAWS, the windSTATION REPORT · DCP ACRI1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-ACRI1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 5,410 ft above sea level, 18 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 24.52 inHg and the temperature at 39.7 F; it reports 43.0 F, 3.3 F warmer than standard.

Section from sea level of where Arco RAWS stands in the atmosphere, height to scale: the station 5,410 feet above sea level with 18 per cent of the air below it; the standard atmosphere's pressure there, 24.52 inches of mercury, and temperature, 39.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ACRI1FIG. D WHERE ARCO RAWS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREARCO RAWS18 PER CENT OF THE AIR BELOW IT5,410 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE24.52 inHgSTANDARD TEMPERATURE HERE39.7 FTEMPERATURE, REPORTED43.0 FTITLEArco RAWS, the columnSTATION REPORT · DCP ACRI1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-ACRI1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Arco RAWS, in 5 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Idaho

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

Near Arco

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