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Alta, Utah

Town in Salt Lake County, Utah

Air quality

The air at Alta

Index 17, good, led by fine particles. Read at 12 AM from its reporting area, Timpanogos Cave National Monument (UT), 10 miles off.

17Good
  • Fine particles (PM2.5)17Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Alta

None in the last 24 hours; 0.41 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.41in

Visibility

How far you can see at Alta, the next 42 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Alta, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now5 instruments

Alta SNOTELATRU1

A snow pillow on a mountain/1.3 mi away/8,678 ft/1,259 ft below here

temp, wind, gust, humidity, pressure

Rank910of 998

Heber CityHCR

At an airfield/12.5 mi away/5,656 ft/4,281 ft below here

temp, wind, gust, visibility, precip, pressure

Rank948of 998

MorganS2133

At a soil climate station/29.6 mi away/5,113 ft/4,824 ft below here

temp, humidity, soil temp, soil moisture

Rank527of 998

measured daily2 instruments

AltaATAU1

At a cooperative observer's station/1.3 mi away/8,802 ft/1,135 ft below here

snowfall, snow depth, precip, high, low

Rank356of 998

Park City 1.2 WNWUT-SM-13

In a volunteer observer's own ground/8.6 mi away/6,797 ft/3,140 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Heber City, drawn

The nearest airport reporting now, 12.5 mi from Alta, Utah. From its report of Oct 15, 2026, 10:55 PM 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 Heber City, 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 HCRFIG. A THE SKY OVER HEBER CITYSECTION, 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 MORE0510TITLEHeber City, the skySTATION REPORT · ASOS HCRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HCR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 34.3 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,100 ft up.

Chart of the air at Heber City: temperature 39.2 degrees Fahrenheit and dew point 34.3, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HCRFIG. B THE AIR AT HEBER CITYTHE 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 1,100 FT ABOVE THE STATION, AT 33.2 FTEMPERATURE 39.2 FDEW POINT 34.3 FSPREAD 4.9 FRELATIVE HUMIDITY 82 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 POINTTITLEHeber City, the airSTATION REPORT · ASOS HCRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HCR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Heber City, 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 HCRFIG. C THE WIND AT HEBER CITYPLAN, 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 FORCE73TITLEHeber City, the windSTATION REPORT · ASOS HCRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HCR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Alta (ATAU1), 1.3 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Utah

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

Near Alta

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

Near Alta

River and lake gauges