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Rock Island Arsenal, Illinois

Community in Rock Island County, Illinois

Air quality

The air at Rock Island Arsenal

Index 22, good, led by ozone. Read at 1 PM from its reporting area, Davenport (IA), 2 miles off.

22Good
  • Fine particles (PM2.5)9Good1.2 mi
  • Ozone22Good28 ppb1.2 mi
  • Coarse particles (PM10)8Good8.5 mi
  • Nitrogen dioxide0Good0.8 ppb2.6 mi
  • Sulfur dioxide0Good0 ppb2.6 mi
  • Carbon monoxide-0.1 ppm2.6 mi

The days ahead

Yesterday measured 17, good.

Smoke, the next 42 hours

No smoke near the ground through Mon 7 AM.

SatSunMon

Precipitation

What has fallen at Rock Island Arsenal

None in the last 24 hours; 0.26 in over the last 3 days, to Sat 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.26in

Visibility

How far you can see at Rock Island Arsenal, the next 42 hours

Visibility stays 10 miles or more through Mon 7 AM.

SatSunMon

On the radar over Rock Island Arsenal, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Rock Island Arsenal, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now4 instruments

MolineMLI

At an airfield/5.2 mi away/594 ft/10 ft above here

temp, wind, gust, visibility, precip, pressure

Rank434of 1,419

measured daily2 instruments

Rock Island 2.0 ENEIL-RI-27

In a volunteer observer's own ground/2.3 mi away/672 ft/88 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Moline, drawn

The nearest airport reporting now, 5.2 mi from Rock Island Arsenal, Illinois. From its report of Oct 17, 2026, 1:52 PM 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 Moline, 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 MLIFIG. A THE SKY OVER MOLINESECTION, 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 MORE0510TITLEMoline, the skySTATION REPORT · ASOS MLITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-MLI-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 29.0 F, 35 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,100 ft up.

Chart of the air at Moline: temperature 56.0 degrees Fahrenheit and dew point 29.0, 35 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MLIFIG. B THE AIR AT MOLINETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00010 F20 F30 F40 F50 F60 F70 FSATURATES 6,100 FT ABOVE THE STATION, AT 23.4 FTEMPERATURE 56.0 FDEW POINT 29.0 FSPREAD 27.0 FRELATIVE HUMIDITY 35 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 POINTTITLEMoline, the airSTATION REPORT · ASOS MLITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-MLI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (170 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Moline, north up: blowing from 170 degrees, the south, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MLIFIG. C THE WIND AT MOLINEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 170°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMoline, the windSTATION REPORT · ASOS MLITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-MLI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Mississippi River AT Rock Island LD15 (RCKI2), 1.4 miles from here, read 16 Oct, 23:59. measured daily

Elsewhere in Illinois

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

Near Rock Island Arsenal

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

Near Rock Island Arsenal

River and lake gauges