Storm Station
Sign in

Gretna, Nebraska

City in Sarpy County, Nebraska

Air quality

The air at Gretna

Index 24, good, led by ozone. Read at 3 AM from its reporting area, Omaha (NE), 16 miles off.

24Good
  • Fine particles (PM2.5)18Good14.8 mi
  • Ozone24Good26 ppb15.7 mi
  • Coarse particles (PM10)15Good15.7 mi
  • Sulfur dioxide0Good0.1 ppb15.7 mi
  • Carbon monoxide-0.1 ppm13.5 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 22, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Gretna

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

Last 24 hours
1.35in
Last 3 days
1.35in

Visibility

How far you can see at Gretna, the next 41 hours

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Sat 3 AM.

FriSat

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

What is measuring near here

The 8 instruments nearest Gretna, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now6 instruments

MillardMLE

At an airfield/7.7 mi away/1,057 ft/223 ft below here

temp, wind, gust, visibility, precip, pressure

Rank114of 681

Rodgers FarmS2001

At a soil climate station/23.3 mi away/1,214 ft/66 ft below here

temp, humidity, soil temp, soil moisture

Rank502of 681

Lincoln 8 ENE94995

At a climate reference station/26.6 mi away/1,189 ft/91 ft below here

temp, humidity, wind, solar, precip

Rank496of 681

measured daily2 instruments

Gretna 0.7 ESENE-SY-39

In a volunteer observer's own ground/0.6 mi away/1,278 ft/2 ft below here

precip, snowfall, snow depth

Rank-

GretnaGRAN1

At a cooperative observer's station/4.6 mi away/1,243 ft/37 ft below here

snowfall, snow depth, precip, high, low

Rank16of 681

Station report

The weather at Gretna NE @ HWY 31 and I-80 exit 431, drawn

The nearest instrument reporting now, 3.3 mi from Gretna, Nebraska. From its report of Oct 16, 2026, 3:16 AM local time: 3 of its 5 sheets.

The air

47.5 F with a dew point of 35.1 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,800 ft up.

Chart of the air at Gretna NE @ HWY 31 and I-80 exit 431: temperature 47.5 degrees Fahrenheit and dew point 35.1, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NE037FIG. B THE AIR AT GRETNA NE @ HWY 31 AND I-80 EXIT 431THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,800 FT ABOVE THE STATION, AT 32.5 FTEMPERATURE 47.5 FDEW POINT 35.1 FSPREAD 12.4 FRELATIVE HUMIDITY 62 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 POINTTITLEGretna NE @ HWY 31 and I-80 exit 431, the airSTATION REPORT · RWIS NE037TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-NE037-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Gretna NE @ HWY 31 and I-80 exit 431, 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 NE037FIG. C THE WIND AT GRETNA NE @ HWY 31 AND I-80 EXIT 431PLAN, 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 FORCE73TITLEGretna NE @ HWY 31 and I-80 exit 431, the windSTATION REPORT · RWIS NE037TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-NE037-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,274 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.57 inHg and the temperature at 54.5 F; it reports 47.5 F, 7.0 F colder than standard.

Section from sea level of where Gretna NE @ HWY 31 and I-80 exit 431 stands in the atmosphere, height to scale: the station 1,274 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.57 inches of mercury, and temperature, 54.5 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NE037FIG. D WHERE GRETNA NE @ HWY 31 AND I-80 EXIT 431 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 ATMOSPHEREGRETNA NE @ HWY 31 AND I-80 EXIT 4315 PER CENT OF THE AIR BELOW IT1,274 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 HERE28.57 inHgSTANDARD TEMPERATURE HERE54.5 FTEMPERATURE, REPORTED47.5 FTITLEGretna NE @ HWY 31 and I-80 exit 431, the columnSTATION REPORT · RWIS NE037TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-NE037-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Gretna NE @ HWY 31 and I-80 exit 431, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Gretna (GRAN1), 4.6 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Nebraska

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

Near Gretna

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

Near Gretna

River and lake gauges