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Big Rock, Iowa

Community in Scott County, Iowa

Air quality

The air at Big Rock

Index 23, good, led by coarse particles. Read at 4 AM from its reporting area, Davenport (IA), 22 miles off.

23Good
  • Fine particles (PM2.5)21Good20.8 mi
  • Ozone12Good15 ppb16.6 mi
  • Coarse particles (PM10)23Good22.2 mi
  • Nitrogen dioxide1Good1.1 ppb20.8 mi
  • Sulfur dioxide0Good0 ppb20.8 mi

The days ahead

Yesterday measured 19, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Big Rock

0.24 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.24in

Visibility

How far you can see at Big Rock, the next 46 hours

Visibility stays 7 miles or more through Sun 1 AM, lowest 7 miles Fri 1 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Big Rock, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.3 miles away.

measured now4 instruments

Quad CitiesDVN

At an airfield/16.2 mi away/751 ft/30 ft above here

temp, wind, gust, visibility, precip, pressure

Rank9of 1,060

measured daily2 instruments

LowdenLWDI4

At a cooperative observer's station/8.6 mi away/738 ft/17 ft above here

snowfall, snow depth, precip, high, low

Rank351of 1,060

Station report

The weather at Quad Cities, drawn

The nearest airport reporting now, 16.2 mi from Big Rock, Iowa. From its report of Oct 16, 2026, 3:52 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Quad Cities, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVNFIG. A THE SKY OVER QUAD CITIESSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEQuad Cities, the skySTATION REPORT · ASOS DVNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-DVN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

46.0 F with a dew point of 40.0 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Quad Cities: temperature 46.0 degrees Fahrenheit and dew point 40.0, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVNFIG. B THE AIR AT QUAD CITIESTHE 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 1,400 FT ABOVE THE STATION, AT 38.6 FTEMPERATURE 46.0 FDEW POINT 40.0 FSPREAD 6.0 FRELATIVE HUMIDITY 79 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 POINTTITLEQuad Cities, the airSTATION REPORT · ASOS DVNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-DVN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 15 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at Quad Cities, north up: blowing from 280 degrees, the west, at 15 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DVNFIG. C THE WIND AT QUAD CITIESPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEQuad Cities, the windSTATION REPORT · ASOS DVNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-DVN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Lowden (LWDI4), 8.6 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 Big Rock

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

Near Big Rock

River and lake gauges