Storm Station
Clear Lake, Iowa
58°
Light rain· Feels like 58°·Light breeze 5 mph SE
Showers and thunderstorms. Cloudy, with a low around 57. South 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
84%Humidity
96%Cloud

What is measuring near here

The 4 instruments nearest Clear Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now2 instruments

Mason CityMCW

At an airfield/3.0 mi away/1,214 ft/24 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3of 652

Mason City (I-35)RMCI4

Beside a road/7.2 mi away/1,234 ft/4 ft below here

temp, pavement temp, wind, visibility, precip

Rank566of 652

measured daily2 instruments

Clear Lake 1.1 NWIA-CG-16

In a volunteer observer's own ground/0.7 mi away/1,222 ft/16 ft below here

precip, snowfall, snow depth

Rank-

Mason CityMCWI4

At a cooperative observer's station/9.5 mi away/1,096 ft/142 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mason City, drawn

The nearest airport reporting now, 3.0 mi from Clear Lake. From its report of Sep 27, 2026, 5:53 AM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft; visibility 10 mi or more.

Section of the sky over Mason City, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 10 mi or more.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 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMason 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 800 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 800 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 800 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 southeast (130 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Mason City, north up: blowing from 130 degrees, the southeast, 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 MCWFIG. C THE WIND AT MASON CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 130°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE 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 Mason City (MCWI4), 9.5 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Iowa

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

Near Clear Lake

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