Storm Station
St. Mary, Missouri
64°
Partly cloudy· Feels like 64°·Light air 3 mph ENE
Cloudy. Low around 57, with temperatures rising to around 61 overnight. Wind around 0 mph.
-UV
-Air quality
57%Humidity
69%Cloud

What is measuring near here

The 4 instruments nearest St. Mary, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.6 miles away.

measured now2 instruments

PerryvillePCD

At an airfield/4.6 mi away/364 ft/91 ft below here

temp, wind, gust, visibility, precip, pressure

Rank447of 473

Farmington RAWSFMRM7

A remote fire weather station/27.2 mi away/915 ft/460 ft above here

temp, wind, gust, humidity, pressure

Rank124of 473

measured daily2 instruments

Perryville 4.6 NWMO-PR-2

In a volunteer observer's own ground/6.9 mi away/494 ft/39 ft above here

precip, snowfall, snow depth

Rank-

Water PlantPRRM7

At a cooperative observer's station/9.9 mi away/509 ft/54 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Perryville, drawn

The nearest airport reporting now, 4.6 mi from St. Mary. From its report of Sep 27, 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 Perryville, 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 PCDFIG. A THE SKY OVER PERRYVILLESECTION, 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 MORE0510TITLEPerryville, the skySTATION REPORT · ASOS PCDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-PCD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.4 F with a dew point of 55.2 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Perryville: temperature 57.4 degrees Fahrenheit and dew point 55.2, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PCDFIG. B THE AIR AT PERRYVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 54.7 FTEMPERATURE AND DEW POINT 57.4 F, 55.2 FRELATIVE HUMIDITY 92 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 POINTTITLEPerryville, the airSTATION REPORT · ASOS PCDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-PCD-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Perryville, north up: blowing from 320 degrees, the northwest, 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 PCDFIG. C THE WIND AT PERRYVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPerryville, the windSTATION REPORT · ASOS PCDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-PCD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Water Plant (PRRM7), 9.9 miles from here, read 25 Sep, 07:00. measured daily

Elsewhere in Missouri

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

Near St. Mary

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