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Dunlap, Iowa

City in Harrison County, Iowa

Air quality

The air at Dunlap

Index 21, good, led by ozone. Read at 3 AM from its reporting area, Pisgah (IA), 17 miles off.

21Good
  • Ozone21Good22 ppb16.9 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 20, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Dunlap

1.05 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
1.05in
Last 3 days
1.05in

Visibility

How far you can see at Dunlap, the next 41 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Sat 2 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Dunlap, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.4 miles away.

measured now4 instruments

DenisonRDNI4

Beside a road/13.7 mi away/1,398 ft/255 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,021of 1,060

DenisonDNS

At an airfield/14.3 mi away/1,250 ft/107 ft above here

temp, wind, gust, visibility, precip, pressure

Rank371of 1,060

measured daily2 instruments

Dunlap 5.4 NNWIA-CF-9

In a volunteer observer's own ground/5.4 mi away/1,411 ft/268 ft above here

precip, snowfall, snow depth

Rank-

DenisonDNSI4

At a cooperative observer's station/18.6 mi away/1,394 ft/251 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Denison, drawn

The nearest airport reporting now, 14.3 mi from Dunlap, Iowa. From its report of Oct 16, 2026, 3:35 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 2,800 ft, scattered at 3,200 ft, broken at 4,000 ft; the ceiling is 4,000 ft; visibility 10 mi or more.

Section of the sky over Denison, height above the station to scale: a few clouds cloud with its base at 2,800 feet, scattered cloud with its base at 3,200 feet, broken cloud with its base at 4,000 feet, the ceiling at 4,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNSFIG. A THE SKY OVER DENISONSECTION, 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 4,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 3,200 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 2,800 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 4,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEDenison, the skySTATION REPORT · ASOS DNSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DNS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 39.2 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 2,800 ft.

Chart of the air at Denison: temperature 46.4 degrees Fahrenheit and dew point 39.2, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 2,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNSFIG. B THE AIR AT DENISONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 1,700 FT ABOVE THE STATION, AT 37.6 FLOWEST CLOUD REPORTED, FEW 2,800 FTTEMPERATURE 46.4 FDEW POINT 39.2 FSPREAD 7.2 FRELATIVE HUMIDITY 76 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 POINTTITLEDenison, the airSTATION REPORT · ASOS DNSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DNS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 18 mph, gusting 28 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Denison, north up: blowing from 310 degrees, the northwest, at 18 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DNSFIG. C THE WIND AT DENISONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDenison, the windSTATION REPORT · ASOS DNSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DNS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Iowa

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

Near Dunlap

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

Near Dunlap

River and lake gauges