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Tarkio, Missouri

City in Atchison County, Missouri

Air quality

The air at Tarkio

Index 36, good, led by fine particles. Read at 9 AM from its reporting area, Viking Lake State Park (IA), 41 miles off.

36Good
  • Fine particles (PM2.5)36Good-
  • Ozone8Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 27, good.

Smoke, the next 46 hours

Little smoke near the ground through Mon 7 AM: the index from smoke stays at 6 or under.

SatSunMon

Precipitation

What has fallen at Tarkio

None in the last 24 hours; 0.12 in over the last 3 days, to Sat 9 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.12in

Visibility

How far you can see at Tarkio, the next 46 hours

Visibility stays 8 miles or more through Mon 7 AM, lowest 8 miles Sun 8 AM.

SatSunMon

On the radar over Tarkio, MissouriReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 4 instruments nearest Tarkio, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now2 instruments

MaryvilleEVU

At an airfield/25.4 mi away/1,138 ft/153 ft above here

temp, wind, gust, visibility, precip, pressure

Rank768of 1,043

measured daily2 instruments

Tarkio 0.1 WNWMO-AT-1

In a volunteer observer's own ground/0.1 mi away/1,007 ft/22 ft above here

precip, snowfall, snow depth

Rank-

Tarkio #2TAKM7

At a cooperative observer's station/0.4 mi away/997 ft/12 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Maryville, drawn

The nearest airport reporting now, 25.4 mi from Tarkio, Missouri. From its report of Oct 17, 2026, 9:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Maryville, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EVUFIG. A THE SKY OVER MARYVILLESECTION, 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: 10 MI OR MORE0510TITLEMaryville, the skySTATION REPORT · ASOS EVUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-EVU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 39.7 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up.

Chart of the air at Maryville: temperature 48.0 degrees Fahrenheit and dew point 39.7, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EVUFIG. B THE AIR AT MARYVILLETHE 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 F60 FSATURATES 1,900 FT ABOVE THE STATION, AT 37.9 FTEMPERATURE 48.0 FDEW POINT 39.7 FSPREAD 8.3 FRELATIVE HUMIDITY 73 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 POINTTITLEMaryville, the airSTATION REPORT · ASOS EVUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-EVU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Maryville, north up: blowing from 200 degrees, the south southwest, at 3 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 EVUFIG. C THE WIND AT MARYVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMaryville, the windSTATION REPORT · ASOS EVUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-EVU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Maryville, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Missouri

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

Near Tarkio

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

Near Tarkio

River and lake gauges