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Irondale, Missouri

City in Washington County, Missouri

Air quality

The air at Irondale

Index 19, good, led by ozone. Read at 12 AM from its reporting area, Bonne Terre (MO), 14 miles off.

19Good
  • Ozone19Good17 ppb14.3 mi

The days ahead

Yesterday measured 21, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Irondale

0.53 in in the last 24 hours, 1.00 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.53in
Last 3 days
1.00in

Visibility

How far you can see at Irondale, the next 43 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 1 AM.

FriSat

On the radar over Irondale, MissouriReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Irondale, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.5 miles away.

measured now3 instruments

FarmingtonFAM

At an airfield/14.3 mi away/945 ft/60 ft above here

temp, wind, gust, visibility, precip, pressure

Rank971of 1,014

measured daily2 instruments

Bismarck 1.3 SMO-SF-7

In a volunteer observer's own ground/6.5 mi away/1,013 ft/128 ft above here

precip, snowfall, snow depth

Rank-

PotosiPTSM7

At a cooperative observer's station/10.5 mi away/1,056 ft/171 ft above here

snowfall, snow depth, precip, high, low

Rank66of 1,014

Station report

The weather at Farmington RAWS, drawn

The nearest instrument reporting now, 14.3 mi from Irondale, Missouri. From its report of Oct 15, 2026, 11:59 PM local time: 3 of its 5 sheets.

The air

71.0 F with a dew point of 67.2 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Farmington RAWS: temperature 71.0 degrees Fahrenheit and dew point 67.2, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FMRM7FIG. B THE AIR AT FARMINGTON RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 66.3 FTEMPERATURE 71.0 FDEW POINT 67.2 FSPREAD 3.8 FRELATIVE HUMIDITY 88 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 POINTTITLEFarmington RAWS, the airSTATION REPORT · DCP FMRM7TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-FMRM7-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (283 degrees) at 7 mph, gusting 12 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Farmington RAWS, north up: blowing from 283 degrees, the west northwest, at 7 miles an hour, gusting 12; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FMRM7FIG. C THE WIND AT FARMINGTON RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 283°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE8GUST, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFarmington RAWS, the windSTATION REPORT · DCP FMRM7TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-FMRM7-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 915 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.95 inHg and the temperature at 55.7 F; it reports 71.0 F, 15.3 F warmer than standard.

Section from sea level of where Farmington RAWS stands in the atmosphere, height to scale: the station 915 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 28.95 inches of mercury, and temperature, 55.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FMRM7FIG. D WHERE FARMINGTON RAWS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREFARMINGTON RAWS3 PER CENT OF THE AIR BELOW IT915 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.95 inHgSTANDARD TEMPERATURE HERE55.7 FTEMPERATURE, REPORTED71.0 FTITLEFarmington RAWS, the columnSTATION REPORT · DCP FMRM7TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-FMRM7-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Farmington RAWS, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Missouri

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

Near Irondale

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

Near Irondale

River and lake gauges