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Brunsville, Iowa

City in Plymouth County, Iowa

Air quality

The air at Brunsville

Index 22, good, led by ozone. Read at 12 AM from its reporting area, Sioux City (IA), 20 miles off.

22Good
  • Ozone22Good-

The days ahead

Yesterday measured 19, good.

Smoke, the next 44 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Brunsville

None in the last 24 hours; 0.58 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.58in

Visibility

How far you can see at Brunsville, the next 44 hours

Visibility stays 8 miles or more through Sun 7 PM, lowest 8 miles Sat 6 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Brunsville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now5 instruments

Le MarsLRJ

At an airfield/4.3 mi away/1,194 ft/65 ft below here

temp, wind, gust, visibility, precip, pressure

Rank16of 1,055

AkronRAWI4

Beside a road/5.2 mi away/1,403 ft/144 ft above here

temp, pavement temp, wind, visibility, precip

Rank246of 1,055

MilnervilleBKTI4

At a river or reservoir gauge/17.5 mi away/1,224 ft/35 ft below here

temp, wind, gust, humidity, pressure

Rank204of 1,055

measured daily2 instruments

Brunsville 0.1 SSEIA-PL-12

In a volunteer observer's own ground/0.1 mi away/1,266 ft/7 ft above here

precip, snowfall, snow depth

Rank-

Le MarsLEMI4

At a cooperative observer's station/5.5 mi away/1,280 ft/21 ft above here

snowfall, snow depth, precip, high, low

Rank847of 1,055

Station report

The weather at Le Mars, drawn

The nearest airport reporting now, 4.3 mi from Brunsville, Iowa. From its report of Oct 17, 2026, 12:15 AM local time: 3 of its 5 sheets.

The sky

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

Section of the sky over Le Mars, 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 LRJFIG. A THE SKY OVER LE MARSSECTION, 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 MORE0510TITLELe Mars, the skySTATION REPORT · ASOS LRJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-17IDSR-LRJ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The wind

Calm.

Plan of the wind at Le Mars, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LRJFIG. C THE WIND AT LE MARSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELe Mars, the windSTATION REPORT · ASOS LRJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-17IDSR-LRJ-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 1,194 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.65 inHg and the temperature at 54.7 F; the station's altimeter setting of 30.55 inHg means its barometer reads 29.25 inHg.

Section from sea level of where Le Mars stands in the atmosphere, height to scale: the station 1,194 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.65 inches of mercury, and temperature, 54.7 degrees Fahrenheit; the altimeter setting of 30.55 and the station pressure it means, 29.25.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LRJFIG. D WHERE LE MARS 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 ATMOSPHERELE MARS4 PER CENT OF THE AIR BELOW IT1,194 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 HERE28.65 inHgSTANDARD TEMPERATURE HERE54.7 FALTIMETER SETTING, REPORTED30.55 inHgITS BAROMETER READS29.25 inHgTITLELe Mars, the columnSTATION REPORT · ASOS LRJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-17IDSR-LRJ-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Le Mars, in 5 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 Brunsville

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

Near Brunsville

River and lake gauges