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Denmark, Iowa

Community in Lee County, Iowa

Air quality

The air at Denmark

Index 16, good, led by ozone. Read at 11 PM from its reporting area, Lake Sugema (IA), 35 miles off.

16Good
  • Fine particles (PM2.5)7Good-
  • Ozone16Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 28, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Denmark

0.30 in in the last 24 hours, 1.20 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.30in
Last 3 days
1.20in

Visibility

How far you can see at Denmark, the next 44 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Denmark, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now4 instruments

measured daily2 instruments

Fort Madison 7.7 NIA-LE-21

In a volunteer observer's own ground/2.2 mi away/712 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Fort MadisonFTMI4

At a cooperative observer's station/8.7 mi away/515 ft/203 ft below here

snowfall, snow depth, precip, high, low

Rank1,020of 1,060

Station report

The weather at Fort Madison, drawn

The nearest airport reporting now, 5.6 mi from Denmark, Iowa. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 6 sheets.

The sky

Scattered at 2,100 ft, scattered at 2,600 ft, broken at 3,900 ft; the ceiling is 3,900 ft; visibility 10 mi or more.

Section of the sky over Fort Madison, height above the station to scale: scattered cloud with its base at 2,100 feet, scattered cloud with its base at 2,600 feet, broken cloud with its base at 3,900 feet, the ceiling at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSWFIG. A THE SKY OVER FORT MADISONSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 3,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 2,600 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYSCT 2,100 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Madison, the skySTATION REPORT · ASOS FSWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FSW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.8 F with a dew point of 48.2 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 2,100 ft.

Chart of the air at Fort Madison: temperature 51.8 degrees Fahrenheit and dew point 48.2, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 2,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSWFIG. B THE AIR AT FORT MADISONTHE 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 FSATURATES 800 FT ABOVE THE STATION, AT 47.3 FLOWEST CLOUD REPORTED, SCT 2,100 FTTEMPERATURE 51.8 FDEW POINT 48.2 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEFort Madison, the airSTATION REPORT · ASOS FSWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FSW-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 14 mph, gusting 21 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Fort Madison, north up: blowing from 280 degrees, the west, at 14 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSWFIG. C THE WIND AT FORT MADISONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Madison, the windSTATION REPORT · ASOS FSWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FSW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Fort Madison (FTMI4), 8.7 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Iowa

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

Near Denmark

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

Near Denmark

River and lake gauges