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Chalco, Nebraska

Community in Sarpy County, Nebraska

Air quality

The air at Chalco

Index 30, good, led by fine particles. Read at 5 AM from its reporting area, Omaha (NE), 10 miles off.

30Good
  • Fine particles (PM2.5)30Good9.8 mi
  • Ozone7Good3 ppb9.8 mi
  • Coarse particles (PM10)17Good9.8 mi
  • Sulfur dioxide0Good0.2 ppb9.8 mi
  • Carbon monoxide-0.2 ppm7.8 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 28, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 1 AM.

SatSun

Precipitation

What has fallen at Chalco

None in the last 24 hours; 1.35 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.35in

Visibility

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

Visibility stays 8 miles or more through Mon 1 AM, lowest 9 miles Sun 8 AM.

SatSun

On the radar over Chalco, NebraskaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 8 instruments nearest Chalco, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now6 instruments

MillardMLE

At an airfield/1.5 mi away/1,057 ft/24 ft below here

temp, wind, gust, visibility, precip, pressure

Rank112of 686

Rodgers FarmS2001

At a soil climate station/28.9 mi away/1,214 ft/133 ft above here

temp, humidity, soil temp, soil moisture

Rank509of 686

Lincoln 8 ENE94995

At a climate reference station/32.4 mi away/1,189 ft/108 ft above here

temp, humidity, wind, solar, precip

Rank501of 686

measured daily2 instruments

Omaha 8.4 SWNE-SY-42

In a volunteer observer's own ground/0.2 mi away/1,142 ft/61 ft above here

precip, snowfall, snow depth

Rank-

GretnaGRAN1

At a cooperative observer's station/3.4 mi away/1,243 ft/162 ft above here

snowfall, snow depth, precip, high, low

Rank19of 686

Station report

The weather at Citizen station FW0394, drawn

The nearest instrument reporting now, 0.5 mi from Chalco, Nebraska. From its report of undefined: 3 of its 4 sheets.

The wind

Calm.

Plan of the wind at Citizen station FW0394, 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 FW0394FIG. C THE WIND AT CITIZEN STATION FW0394PLAN, 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 FORCE73TITLECitizen station FW0394, the windSTATION REPORT · CWOP FW0394TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-17IDSR-FW0394-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,159 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.69 inHg and the temperature at 54.9 F; the station's altimeter setting of 30.51 inHg means its barometer reads 29.25 inHg; it reports 34.0 F, 20.9 F colder than standard.

Section from sea level of where Citizen station FW0394 stands in the atmosphere, height to scale: the station 1,159 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.69 inches of mercury, and temperature, 54.9 degrees Fahrenheit; the altimeter setting of 30.51 and the station pressure it means, 29.25.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW0394FIG. D WHERE CITIZEN STATION FW0394 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 ATMOSPHERECITIZEN STATION FW03944 PER CENT OF THE AIR BELOW IT1,159 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 HERE28.69 inHgSTANDARD TEMPERATURE HERE54.9 FALTIMETER SETTING, REPORTED30.51 inHgITS BAROMETER READS29.25 inHgTEMPERATURE, REPORTED34.0 FTITLECitizen station FW0394, the columnSTATION REPORT · CWOP FW0394TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-17IDSR-FW0394-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 17 the noon sun stands 39 degrees above the horizon at 41.19 N, and the day is 10 h 53 min long. Level ground there takes 63 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station FW0394, angles true: on Oct 17 it stands 39 degrees above the horizon, against 72 at the June solstice, 49 at the equinoxes and 25 at the December solstice; the day is 10 h 53 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FW0394FIG. E THE SUN AT CITIZEN STATION FW0394ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 72°EQUINOXES 49°DECEMBER SOLSTICE 25°OCT 17, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 53 MINLEVEL GROUND TAKES 63 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.19 N; THE SUN'S DECLINATION -9.5°TITLECitizen station FW0394, the sunSTATION REPORT · CWOP FW0394TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-17IDSR-FW0394-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station FW0394, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Gretna (GRAN1), 3.4 miles from here, read 16 Oct, 06:00. measured daily

Elsewhere in Nebraska

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

Near Chalco

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

Near Chalco

River and lake gauges