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Eureka, Utah

City in Juab County, Utah

Air quality

The air at Eureka

Index 33, good, led by ozone. Read at 3 AM from its reporting area, Provo (UT), 31 miles off.

33Good
  • Fine particles (PM2.5)28Good-
  • Ozone33Good-
  • Coarse particles (PM10)8Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 41, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Eureka

None in the last 24 hours; 0.06 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.06in

Visibility

How far you can see at Eureka, the next 46 hours

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

On the radar over Eureka, UtahReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Eureka, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now5 instruments

NephiU14

At an airfield/20.0 mi away/5,007 ft/1,456 ft below here

temp, wind, gust, visibility, precip, pressure

Rank633of 998

NephiS2137

At a soil climate station/25.1 mi away/5,245 ft/1,218 ft below here

temp, humidity, soil temp, soil moisture

Rank525of 998

measured daily2 instruments

SantaquinSNTU1

At a cooperative observer's station/17.9 mi away/5,194 ft/1,269 ft below here

snowfall, snow depth, precip, high, low

Rank-

Mona 1.5 SSEUT-JB-2

In a volunteer observer's own ground/18.0 mi away/5,046 ft/1,417 ft below here

precip, snowfall, snow depth

Rank555of 998

Station report

The weather at Nephi, drawn

The nearest airport reporting now, 20.0 mi from Eureka, Utah. From its report of Oct 16, 2026, 3:15 AM 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 Nephi, 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 U14FIG. A THE SKY OVER NEPHISECTION, 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 MORE0510TITLENephi, the skySTATION REPORT · ASOS U14TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-U14-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

41.0 F with a dew point of 35.6 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Nephi: temperature 41.0 degrees Fahrenheit and dew point 35.6, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT U14FIG. B THE AIR AT NEPHITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,200 FT ABOVE THE STATION, AT 34.4 FTEMPERATURE 41.0 FDEW POINT 35.6 FSPREAD 5.4 FRELATIVE HUMIDITY 81 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 POINTTITLENephi, the airSTATION REPORT · ASOS U14TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-U14-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Nephi, north up: at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT U14FIG. C THE WIND AT NEPHIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLENephi, the windSTATION REPORT · ASOS U14TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-U14-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Santaquin (SNTU1), 17.9 miles from here, read 13 Oct, 09:47. measured daily

Elsewhere in Utah

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

Near Eureka

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

Near Eureka

River and lake gauges