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Grangeville, Idaho

City in Idaho County, Idaho

Air quality

The air at Grangeville

Index 36, good, led by fine particles. Read at 9 PM from its reporting area, Grangeville (ID), 1 mile off.

36Good
  • Fine particles (PM2.5)36Good0.2 mi

The days ahead

Good each day through Tue Oct 20, led by fine particles. Yesterday measured 17, good.

Smoke, the next 45 hours

Smoke near the ground peaks at index 73, moderate, Fri 6 PM.

FriSat

Precipitation

What has fallen at Grangeville

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 Grangeville, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Grangeville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

GrangevilleGIC

At an airfield/1.2 mi away/3,314 ft/94 ft below here

temp, wind, gust, visibility, precip, pressure

Rank521of 833

SouthforkSOUI1

At a river or reservoir gauge/6.8 mi away/4,583 ft/1,175 ft above here

temp, wind, gust, humidity, pressure

Rank152of 833

D2 - Top of Whitebird HillITD92

Beside a road/8.0 mi away/4,180 ft/772 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

GrangevilleGGVI1

At a cooperative observer's station/1.1 mi away/3,301 ft/107 ft below here

snowfall, snow depth, precip, high, low

Rank687of 833

Station report

The weather at Citizen station FW6604, drawn

The nearest instrument reporting now, 5.7 mi from Grangeville, Idaho. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station FW6604, 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 FW6604FIG. C THE WIND AT CITIZEN STATION FW6604PLAN, 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 FORCE73TITLECitizen station FW6604, the windSTATION REPORT · CWOP FW6604TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-FW6604-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 3,191 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.63 inHg and the temperature at 47.6 F; the station's altimeter setting of 30.59 inHg means its barometer reads 27.22 inHg; it reports 47.0 F, 0.6 F colder than standard.

Section from sea level of where Citizen station FW6604 stands in the atmosphere, height to scale: the station 3,191 feet above sea level with 11 per cent of the air below it; the standard atmosphere's pressure there, 26.63 inches of mercury, and temperature, 47.6 degrees Fahrenheit; the altimeter setting of 30.59 and the station pressure it means, 27.22.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW6604FIG. D WHERE CITIZEN STATION FW6604 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 ATMOSPHERECITIZEN STATION FW660411 PER CENT OF THE AIR BELOW IT3,191 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 HERE26.63 inHgSTANDARD TEMPERATURE HERE47.6 FALTIMETER SETTING, REPORTED30.59 inHgITS BAROMETER READS27.22 inHgTEMPERATURE, REPORTED47.0 FTITLECitizen station FW6604, the columnSTATION REPORT · CWOP FW6604TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-FW6604-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 35 degrees above the horizon at 45.98 N, and the day is 10 h 44 min long. Level ground there takes 57 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW6604, angles true: on Oct 16 it stands 35 degrees above the horizon, against 67 at the June solstice, 44 at the equinoxes and 21 at the December solstice; the day is 10 h 44 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW6604FIG. E THE SUN AT CITIZEN STATION FW6604ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 67°EQUINOXES 44°DECEMBER SOLSTICE 21°OCT 16, 35°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 44 MINLEVEL GROUND TAKES 57 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 45.98 N; THE SUN'S DECLINATION -9.1°TITLECitizen station FW6604, the sunSTATION REPORT · CWOP FW6604TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-FW6604-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW6604, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Grangeville (GGVI1), 1.1 miles from here, read 14 Oct, 18:00. measured daily

Elsewhere in Idaho

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

Near Grangeville

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

Near Grangeville

River and lake gauges