Storm Station
St. Ansgar, Iowa
60°
Light rain· Feels like 60°·Light breeze 5 mph SE
Showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
-UV
-Air quality
78%Humidity
90%Cloud

What is measuring near here

The 4 instruments nearest St. Ansgar, 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 now2 instruments

Mason City US18MSYI4

Beside a road/21.1 mi away/1,096 ft/70 ft below here

temp, pavement temp, wind, visibility, precip

Rank572of 652

Mason CityMCW

At an airfield/25.6 mi away/1,214 ft/48 ft above here

temp, wind, gust, visibility, precip, pressure

Rank5of 652

measured daily2 instruments

St AnsgarSANI4

At a cooperative observer's station/0.3 mi away/1,138 ft/28 ft below here

snowfall, snow depth, precip, high, low

Rank-

St Ansgar 2.8 SIA-MT-2

In a volunteer observer's own ground/2.8 mi away/1,109 ft/57 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Mason City, drawn

The nearest airport reporting now, 25.6 mi from St. Ansgar. From its report of Sep 27, 2026, 7:33 AM local time: 3 of its 6 sheets.

The sky

Overcast at 400 ft; the ceiling is 400 ft; visibility 5 mi.

Section of the sky over Mason City, height above the station to scale: overcast cloud with its base at 400 feet, the ceiling at 400 feet, and visibility of 5 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MCWFIG. A THE SKY OVER MASON CITYSECTION, 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 SHEETOVC 400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 400 FTVISIBILITY, MILES: 5 MI0510TITLEMason City, the skySTATION REPORT · ASOS MCWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MCW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 56.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 400 ft.

Chart of the air at Mason City: temperature 57.0 degrees Fahrenheit and dew point 56.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MCWFIG. B THE AIR AT MASON CITYTHE 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 200 FT ABOVE THE STATION, AT 55.7 FLOWEST CLOUD REPORTED, OVC 400 FTTEMPERATURE AND DEW POINT 57.0 F, 56.0 FRELATIVE HUMIDITY 96 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 POINTTITLEMason City, the airSTATION REPORT · ASOS MCWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-MCW-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Mason City, north up: blowing from 150 degrees, the south southeast, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MCWFIG. C THE WIND AT MASON CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMason City, the windSTATION REPORT · ASOS MCWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-MCW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at St Ansgar (SANI4), 0.3 miles from here, read 27 Sep, 06:30. measured daily

Elsewhere in Iowa

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

Near St. Ansgar

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