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Lake Arrowhead, Missouri

Community in Clinton County, Missouri

Air quality

The air at Lake Arrowhead

Index 21, good, led by fine particles. Read at 3 AM from its reporting area, Kansas City (MO), 28 miles off.

21Good
  • Fine particles (PM2.5)21Good-
  • Ozone20Good-
  • Coarse particles (PM10)19Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 28, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Lake Arrowhead

0.18 in in the last 24 hours, 1.20 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.18in
Last 3 days
1.20in

Visibility

How far you can see at Lake Arrowhead, the next 41 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 6 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest Lake Arrowhead, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.5 miles away.

measured now3 instruments

MosbyGPH

At an airfield/10.6 mi away/764 ft/236 ft below here

temp, wind, gust, visibility, precip, pressure

Rank782of 1,014

measured daily2 instruments

Plattsburg 4.6 SSEMO-CN-1

In a volunteer observer's own ground/5.5 mi away/1,043 ft/43 ft above here

precip, snowfall, snow depth

Rank-

Kearney 3EKRNM7

At a cooperative observer's station/8.2 mi away/846 ft/154 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mosby, drawn

The nearest airport reporting now, 10.6 mi from Lake Arrowhead, Missouri. From its report of Oct 16, 2026, 3:15 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 Mosby, 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 GPHFIG. A THE SKY OVER MOSBYSECTION, 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 MORE0510TITLEMosby, the skySTATION REPORT · ASOS GPHTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GPH-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.4 F with a dew point of 35.6 F, 66 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up.

Chart of the air at Mosby: temperature 46.4 degrees Fahrenheit and dew point 35.6, 66 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GPHFIG. B THE AIR AT MOSBYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,500 FT ABOVE THE STATION, AT 33.2 FTEMPERATURE 46.4 FDEW POINT 35.6 FSPREAD 10.8 FRELATIVE HUMIDITY 66 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 POINTTITLEMosby, the airSTATION REPORT · ASOS GPHTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GPH-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Mosby, north up: blowing from 310 degrees, the northwest, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GPHFIG. C THE WIND AT MOSBYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMosby, the windSTATION REPORT · ASOS GPHTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GPH-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mosby, 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 Lake Arrowhead

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

Near Lake Arrowhead

River and lake gauges