Storm Station
Chesterfield, Missouri
64°
Partly cloudy· Feels like 64°·Light air 2 mph E
A chance of rain showers. Cloudy, with a low around 60. Wind around 0 mph. Chance of precipitation is 30%.
-UV
-Air quality
68%Humidity
59%Cloud

What is measuring near here

The 5 instruments nearest Chesterfield, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now3 instruments

St. Louis/SpiritSUS

At an airfield/5.8 mi away/463 ft/176 ft below here

temp, wind, gust, visibility, precip, pressure

Rank25of 473

St. CharlesSCLM7

At a river or reservoir gauge/10.6 mi away/443 ft/196 ft below here

temp, wind, gust, humidity, pressure

Rank386of 473

Shaw Nature ReserveS2227

At a soil climate station/18.2 mi away/623 ft/16 ft below here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Chesterfield 2.1 ENEMO-SL-114

In a volunteer observer's own ground/1.0 mi away/634 ft/5 ft below here

precip, snowfall, snow depth

Rank-

Missouri RiverSTCM7

At a cooperative observer's station/3.0 mi away/440 ft/199 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at St. Louis/Spirit, drawn

The nearest airport reporting now, 5.8 mi from Chesterfield. From its report of Sep 27, 2026, 3:54 AM local time: 3 of its 6 sheets.

The sky

Scattered at 9,000 ft; visibility 10 mi or more.

Section of the sky over St. Louis/Spirit, height above the station to scale: scattered cloud with its base at 9,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SUSFIG. A THE SKY OVER ST. LOUIS/SPIRITSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTSCT 9,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESt. Louis/Spirit, the skySTATION REPORT · ASOS SUSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SUS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

61.0 F with a dew point of 59.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 9,000 ft.

Chart of the air at St. Louis/Spirit: temperature 61.0 degrees Fahrenheit and dew point 59.0, 93 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, against the lowest cloud reported at 9,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SUSFIG. B THE AIR AT ST. LOUIS/SPIRITTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 FSATURATES 500 FT ABOVE THE STATION, AT 58.5 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, SCT 9,000 FTTEMPERATURE AND DEW POINT 61.0 F, 59.0 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 POINTTITLESt. Louis/Spirit, the airSTATION REPORT · ASOS SUSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SUS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at St. Louis/Spirit, 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 SUSFIG. C THE WIND AT ST. LOUIS/SPIRITPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESt. Louis/Spirit, the windSTATION REPORT · ASOS SUSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SUS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of St. Louis/Spirit, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Missouri

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

Near Chesterfield

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