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Massena, Iowa

City in Cass County, Iowa

Air quality

The air at Massena

Index 27, good, led by fine particles. Read at 10 PM from its reporting area, Viking Lake State Park (IA), 24 miles off.

27Good
  • Fine particles (PM2.5)27Good24.1 mi
  • Ozone18Good21 ppb24.1 mi

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 34, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Massena

0.70 in in the last 24 hours, 0.71 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.70in
Last 3 days
0.71in

Visibility

How far you can see at Massena, the next 46 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Sat 8 AM.

FriSat

On the radar over Massena, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Massena, 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 now4 instruments

AtlanticAIO

At an airfield/17.8 mi away/1,154 ft/113 ft below here

temp, wind, gust, visibility, precip, pressure

Rank281of 1,060

measured daily2 instruments

Massena 0.5 NEIA-CS-11

In a volunteer observer's own ground/0.3 mi away/1,326 ft/59 ft above here

precip, snowfall, snow depth

Rank-

MassenaMSNI4

At a cooperative observer's station/1.0 mi away/1,211 ft/56 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Atlantic, drawn

The nearest airport reporting now, 17.8 mi from Massena, Iowa. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 6 sheets.

The sky

Broken at 5,000 ft; the ceiling is 5,000 ft; visibility 10 mi or more.

Section of the sky over Atlantic, height above the station to scale: broken cloud with its base at 5,000 feet, the ceiling at 5,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIOFIG. A THE SKY OVER ATLANTICSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,0008,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 5,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 5,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAtlantic, the skySTATION REPORT · ASOS AIOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AIO-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.2 F with a dew point of 39.2 F, 71 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 5,000 ft.

Chart of the air at Atlantic: temperature 48.2 degrees Fahrenheit and dew point 39.2, 71 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 5,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIOFIG. B THE AIR AT ATLANTICTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00030 F40 F50 F60 FSATURATES 2,100 FT ABOVE THE STATION, AT 37.2 FLOWEST CLOUD REPORTED, BKN 5,000 FTTEMPERATURE 48.2 FDEW POINT 39.2 FSPREAD 9.0 FRELATIVE HUMIDITY 71 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 POINTTITLEAtlantic, the airSTATION REPORT · ASOS AIOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AIO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 14 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Atlantic, north up: blowing from 320 degrees, the northwest, at 14 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AIOFIG. C THE WIND AT ATLANTICPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAtlantic, the windSTATION REPORT · ASOS AIOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AIO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Iowa

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

Near Massena

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

Near Massena

River and lake gauges