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Delaware, Iowa

City in Delaware County, Iowa

Air quality

The air at Delaware

Index 30, good, led by fine particles. Read at 7 AM from its reporting area, Waterloo (IA), 54 miles off.

30Good
  • Fine particles (PM2.5)30Good-
  • Ozone-13 ppb15.9 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 21, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Delaware

0.98 in in the last 24 hours, 1.20 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.98in
Last 3 days
1.20in

Visibility

How far you can see at Delaware, the next 42 hours

Visibility stays 7 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Delaware, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now4 instruments

measured daily2 instruments

Delaware 0.4 NWIA-DW-1

In a volunteer observer's own ground/0.0 mi away/1,086 ft/6 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Monticello Muni, drawn

The nearest airport reporting now, 20.0 mi from Delaware, Iowa. From its report of Oct 16, 2026, 7:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,800 ft, overcast at 2,500 ft; the ceiling is 1,800 ft; visibility 9 mi.

Section of the sky over Monticello Muni, height above the station to scale: broken cloud with its base at 1,800 feet, overcast cloud with its base at 2,500 feet, the ceiling at 1,800 feet, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. A THE SKY OVER MONTICELLO MUNISECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,800 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 9 MI0510TITLEMonticello Muni, the skySTATION REPORT · ASOS MXOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MXO-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 44.6 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Monticello Muni: temperature 46.4 degrees Fahrenheit and dew point 44.6, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. B THE AIR AT MONTICELLO MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 400 FT ABOVE THE STATION, AT 44.2 FLOWEST CLOUD REPORTED, BKN 1,800 FTTEMPERATURE AND DEW POINT 46.4 F, 44.6 FRELATIVE HUMIDITY 93 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 POINTTITLEMonticello Muni, the airSTATION REPORT · ASOS MXOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MXO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 10 mph, gusting 16 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Monticello Muni, north up: blowing from 290 degrees, the west northwest, at 10 miles an hour, gusting 16; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. C THE WIND AT MONTICELLO MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE13GUST, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello Muni, the windSTATION REPORT · ASOS MXOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MXO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Manchester No. 2 (MHRI4), 5.3 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Delaware

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

Near Delaware

River and lake gauges