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Chemult, Oregon

Community in Klamath County, Oregon

Air quality

The air at Chemult

Index 16, good, led by fine particles. Read at 9 PM from its reporting area, Crater Lake (OR), 28 miles off.

16Good
  • Fine particles (PM2.5)16Good-

The days ahead

Yesterday measured 7, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 28 or under.

FriSat

Precipitation

What has fallen at Chemult

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 Chemult, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Chemult, OregonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Chemult, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now3 instruments

measured daily2 instruments

CrescentXCRO3

At a cooperative observer's station/17.6 mi away/4,482 ft/277 ft below here

snowfall, snow depth, precip, high, low

Rank170of 1,635

Station report

The weather at US97 NB at Chemult MP203.8, drawn

The nearest instrument reporting now, 0.7 mi from Chemult, Oregon. From its report of Oct 15, 2026, 9:19 PM local time: 3 of its 5 sheets.

The air

43.2 F with a dew point of 23.3 F, 45 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,500 ft up.

Chart of the air at US97 NB at Chemult MP203.8: temperature 43.2 degrees Fahrenheit and dew point 23.3, 45 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ODT82FIG. B THE AIR AT US97 NB AT CHEMULT MP203.8THE 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 4,500 FT ABOVE THE STATION, AT 19.2 FTEMPERATURE 43.2 FDEW POINT 23.3 FSPREAD 19.9 FRELATIVE HUMIDITY 45 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 POINTTITLEUS97 NB at Chemult MP203.8, the airSTATION REPORT · RWIS ODT82TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-ODT82-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at US97 NB at Chemult MP203.8, 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 ODT82FIG. C THE WIND AT US97 NB AT CHEMULT MP203.8PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEUS97 NB at Chemult MP203.8, the windSTATION REPORT · RWIS ODT82TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-ODT82-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 4,764 ft above sea level, 16 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.12 inHg and the temperature at 42.0 F; it reports 43.2 F, 1.1 F warmer than standard.

Section from sea level of where US97 NB at Chemult MP203.8 stands in the atmosphere, height to scale: the station 4,764 feet above sea level with 16 per cent of the air below it; the standard atmosphere's pressure there, 25.12 inches of mercury, and temperature, 42.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ODT82FIG. D WHERE US97 NB AT CHEMULT MP203.8 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 ATMOSPHEREUS97 NB AT CHEMULT MP203.816 PER CENT OF THE AIR BELOW IT4,764 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 HERE25.12 inHgSTANDARD TEMPERATURE HERE42.0 FTEMPERATURE, REPORTED43.2 FTITLEUS97 NB at Chemult MP203.8, the columnSTATION REPORT · RWIS ODT82TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-ODT82-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of US97 NB at Chemult MP203.8, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Oregon

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

Near Chemult

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

Near Chemult

River and lake gauges