Storm Station
Sign in

North Yelm, Washington

Community in Thurston County, Washington

Air quality

The air at North Yelm

Index 58, moderate, led by fine particles. Read at 2 AM from its reporting area, Olympia-Lacey-Tumwater (WA), 12 miles off.

58Moderate
  • Fine particles (PM2.5)58Moderate-
  • Ozone3Good1 ppb12.3 mi
  • Nitrogen dioxide13Good14.4 ppb19.2 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 33, good.

Smoke, the next 45 hours

Smoke near the ground peaks at index 53, moderate, Fri 6 PM.

FriSat

Precipitation

What has fallen at North Yelm

None in the last 24 hours; 0.01 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.01in

Visibility

How far you can see at North Yelm, the next 45 hours

Mist or haze: visibility falls to 2 miles Fri 7 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest North Yelm, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.9 miles away.

measured now4 instruments

measured daily2 instruments

Rainier 1.3 NWA-TH-79

In a volunteer observer's own ground/5.9 mi away/479 ft/181 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Fort Lewis/Gray AAF, drawn

The nearest airport reporting now, 8.1 mi from North Yelm, Washington. From its report of Oct 16, 2026, 2:35 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 4 mi.

Section of the sky over Fort Lewis/Gray AAF, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRFFIG. A THE SKY OVER FORT LEWIS/GRAY AAFSECTION, 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: 4 MI0510TITLEFort Lewis/Gray AAF, the skySTATION REPORT · ASOS GRFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GRF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

41.0 F with a dew point of 39.2 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Fort Lewis/Gray AAF: temperature 41.0 degrees Fahrenheit and dew point 39.2, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRFFIG. B THE AIR AT FORT LEWIS/GRAY AAFTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 400 FT ABOVE THE STATION, AT 38.8 FTEMPERATURE AND DEW POINT 41.0 F, 39.2 FRELATIVE HUMIDITY 93 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 POINTTITLEFort Lewis/Gray AAF, the airSTATION REPORT · ASOS GRFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GRF-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east southeast (120 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Fort Lewis/Gray AAF, north up: blowing from 120 degrees, the east southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GRFFIG. C THE WIND AT FORT LEWIS/GRAY AAFPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 120°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Lewis/Gray AAF, the windSTATION REPORT · ASOS GRFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GRF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Lewis/Gray AAF, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in Washington

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

Near North Yelm

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

Near North Yelm

River and lake gauges