Storm Station
Portage Des Sioux, Missouri
65°
Partly cloudy· Feels like 65°·Light air 3 mph E
A slight chance of rain showers. Mostly cloudy, with a low around 58. Wind around 0 mph. Chance of precipitation is 20%.
-UV
-Air quality
59%Humidity
65%Cloud

What is measuring near here

The 5 instruments nearest Portage Des Sioux, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

St. CharlesSET

At an airfield/4.6 mi away/440 ft/4 ft above here

temp, wind, gust, visibility, precip, pressure

Rank25of 473

St. CharlesSCLM7

At a river or reservoir gauge/11.6 mi away/443 ft/7 ft above here

temp, wind, gust, humidity, pressure

Rank388of 473

Elsberry PMCS2220

At a soil climate station/28.0 mi away/527 ft/91 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Portage Des Sioux 0.2 SSEMO-SS-65

In a volunteer observer's own ground/0.3 mi away/435 ft/1 ft below here

precip, snowfall, snow depth

Rank-

Saint CharlesSCHM7

At a cooperative observer's station/12.9 mi away/551 ft/115 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at St. Charles, drawn

The nearest airport reporting now, 4.6 mi from Portage Des Sioux. From its report of Sep 27, 2026, 2:54 AM local time: 3 of its 6 sheets.

The sky

Broken at 11,000 ft; the ceiling is 11,000 ft; visibility 10 mi or more.

Section of the sky over St. Charles, height above the station to scale: broken cloud with its base at 11,000 feet, the ceiling at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SETFIG. A THE SKY OVER ST. CHARLESSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 11,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 11,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESt. Charles, the skySTATION REPORT · ASOS SETTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SET-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

60.0 F with a dew point of 55.0 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at St. Charles: temperature 60.0 degrees Fahrenheit and dew point 55.0, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SETFIG. B THE AIR AT ST. CHARLESTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 1,200 FT ABOVE THE STATION, AT 53.8 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, BKN 11,000 FTTEMPERATURE 60.0 FDEW POINT 55.0 FSPREAD 5.0 FRELATIVE HUMIDITY 84 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. Charles, the airSTATION REPORT · ASOS SETTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SET-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at St. Charles, 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 SETFIG. C THE WIND AT ST. CHARLESPLAN, 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. Charles, the windSTATION REPORT · ASOS SETTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SET-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Saint Charles (SCHM7), 12.9 miles from here, read 26 Sep, 06:00. measured daily

Elsewhere in Missouri

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

Near Portage Des Sioux

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