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Prosser, Washington

City in Benton County, Washington

Air quality

The air at Prosser

Index 50, good, led by fine particles. Read at 12 AM from its reporting area, Sunnyside (WA), 14 miles off.

50Good
  • Fine particles (PM2.5)50Good-

The days ahead

Moderate each day through Today, led by fine particles. Yesterday measured 44, good.

Smoke, the next 41 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Prosser

None in the last 3 days, to Fri 12 AM. 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 Prosser, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Prosser, WashingtonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Prosser, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

ProsserTPROS

Beside a road/1.4 mi away/614 ft/54 ft below here

temp, pavement temp, wind, visibility, precip

Rank917of 1,451

measured daily2 instruments

Prosser 0.4 SSEWA-BT-10

In a volunteer observer's own ground/0.5 mi away/771 ft/103 ft above here

precip, snowfall, snow depth

Rank-

ProsserPRSW1

At a cooperative observer's station/0.6 mi away/802 ft/134 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Chandler Fish Screen Weather Station, drawn

The nearest instrument reporting now, 1.2 mi from Prosser, Washington. From its report of Oct 16, 2026, 12:30 AM local time: 3 of its 4 sheets.

The wind

From the south southwest (212 degrees) at 2 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Chandler Fish Screen Weather Station, north up: blowing from 212 degrees, the south southwest, at 2 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CFSW1FIG. C THE WIND AT CHANDLER FISH SCREEN WEATHER STATIONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 212°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 2 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChandler Fish Screen Weather Station, the windSTATION REPORT · DCP CFSW1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-CFSW1-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 650 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.23 inHg and the temperature at 56.7 F; it reports 44.6 F, 12.0 F colder than standard.

Section from sea level of where Chandler Fish Screen Weather Station stands in the atmosphere, height to scale: the station 650 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.23 inches of mercury, and temperature, 56.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CFSW1FIG. D WHERE CHANDLER FISH SCREEN WEATHER STATION 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 ATMOSPHERECHANDLER FISH SCREEN WEATHER STATION2 PER CENT OF THE AIR BELOW IT650 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 HERE29.23 inHgSTANDARD TEMPERATURE HERE56.7 FTEMPERATURE, REPORTED44.6 FTITLEChandler Fish Screen Weather Station, the columnSTATION REPORT · DCP CFSW1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-CFSW1-2DRAWN 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 46.22 N, and the day is 10 h 43 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 Chandler Fish Screen Weather Station, angles true: on Oct 16 it stands 35 degrees above the horizon, against 67 at the June solstice, 44 at the equinoxes and 20 at the December solstice; the day is 10 h 43 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CFSW1FIG. E THE SUN AT CHANDLER FISH SCREEN WEATHER STATIONELEVATION 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 20°OCT 16, 35°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 43 MINLEVEL GROUND TAKES 57 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 46.22 N; THE SUN'S DECLINATION -9.1°TITLEChandler Fish Screen Weather Station, the sunSTATION REPORT · DCP CFSW1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-CFSW1-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Chandler Fish Screen Weather Station, in 4 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Washington

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

Near Prosser

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

Near Prosser

River and lake gauges