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Plymouth, Utah

Town in Box Elder County, Utah

Air quality

The air at Plymouth

Index 19, good, led by ozone. Read at 10 PM from its reporting area, Logan (UT), 19 miles off.

19Good
  • Fine particles (PM2.5)18Good-
  • Ozone19Good-

The days ahead

Good each day through Sat Oct 17, led by fine particles. Yesterday measured 27, good.

Smoke, the next 45 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Plymouth

None in the last 24 hours; 0.24 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.24in

Visibility

How far you can see at Plymouth, the next 45 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 8 instruments nearest Plymouth, 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

Cache JunctionS2136

At a soil climate station/9.3 mi away/4,425 ft/58 ft below here

temp, humidity, soil temp, soil moisture

Rank484of 998

measured daily2 instruments

PlymouthPLMU1

At a cooperative observer's station/0.2 mi away/4,470 ft/13 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Logan-Cache Airport, drawn

The nearest airport reporting now, 16.1 mi from Plymouth, Utah. From its report of Oct 15, 2026, 9:51 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 Logan-Cache Airport, 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 LGUFIG. A THE SKY OVER LOGAN-CACHE AIRPORTSECTION, 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 MORE0510TITLELogan-Cache Airport, the skySTATION REPORT · ASOS LGUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LGU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

45.0 F with a dew point of 39.0 F, 79 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Logan-Cache Airport: temperature 45.0 degrees Fahrenheit and dew point 39.0, 79 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LGUFIG. B THE AIR AT LOGAN-CACHE AIRPORTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,400 FT ABOVE THE STATION, AT 37.7 FTEMPERATURE 45.0 FDEW POINT 39.0 FSPREAD 6.0 FRELATIVE HUMIDITY 79 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 POINTTITLELogan-Cache Airport, the airSTATION REPORT · ASOS LGUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LGU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Logan-Cache Airport, 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 LGUFIG. C THE WIND AT LOGAN-CACHE AIRPORTPLAN, 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 FORCE73TITLELogan-Cache Airport, the windSTATION REPORT · ASOS LGUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LGU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Logan-Cache Airport, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Utah

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

Near Plymouth

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

Near Plymouth

River and lake gauges