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Salem, Utah

City in Utah County, Utah

Air quality

The air at Salem

Index 32, good, led by ozone. Read at 4 AM from its reporting area, Provo (UT), 13 miles off.

32Good
  • Fine particles (PM2.5)28Good-
  • Ozone32Good-
  • Coarse particles (PM10)7Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 38, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 12 AM.

SatSun

Precipitation

What has fallen at Salem

None in the last 24 hours; 0.03 in over the last 3 days, to Sat 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.03in

Visibility

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

Visibility stays 10 miles or more through Mon 12 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Salem, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now5 instruments

Spanish ForkSPK

At an airfield/6.7 mi away/4,530 ft/129 ft below here

temp, wind, gust, visibility, precip, pressure

Rank68of 997

NephiS2137

At a soil climate station/29.8 mi away/5,245 ft/586 ft above here

temp, humidity, soil temp, soil moisture

Rank512of 997

measured daily2 instruments

Woodland Hills 0.3 SWUT-UT-11

In a volunteer observer's own ground/2.6 mi away/5,706 ft/1,047 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Spanish Fork, drawn

The nearest airport reporting now, 6.7 mi from Salem, Utah. From its report of Oct 17, 2026, 5:15 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 Spanish Fork, 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 SPKFIG. A THE SKY OVER SPANISH FORKSECTION, 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 MORE0510TITLESpanish Fork, the skySTATION REPORT · ASOS SPKTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-SPK-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.2 F with a dew point of 24.8 F, 40 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,300 ft up.

Chart of the air at Spanish Fork: temperature 48.2 degrees Fahrenheit and dew point 24.8, 40 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPKFIG. B THE AIR AT SPANISH FORKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00010 F20 F30 F40 F50 F60 FSATURATES 5,300 FT ABOVE THE STATION, AT 20.0 FTEMPERATURE 48.2 FDEW POINT 24.8 FSPREAD 23.4 FRELATIVE HUMIDITY 40 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 POINTTITLESpanish Fork, the airSTATION REPORT · ASOS SPKTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-SPK-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 16 mph.

Plan of the wind at Spanish Fork, north up: blowing from 150 degrees, the south southeast, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPKFIG. C THE WIND AT SPANISH FORKPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESpanish Fork, the windSTATION REPORT · ASOS SPKTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-SPK-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Spanish Fork, 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 Salem

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

Near Salem

River and lake gauges