Storm Station
Sign in

Firth, Idaho

City in Bingham County, Idaho

Air quality

The air at Firth

Index 19, good, led by fine particles. Read at 11 PM from its reporting area, Idaho Falls (ID), 18 miles off.

19Good
  • Fine particles (PM2.5)19Good13.2 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 15, good.

Smoke, the next 43 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 Firth

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Firth, the next 43 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over Firth, IdahoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Firth, 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 now4 instruments

measured daily2 instruments

Basalt 0.2 SEID-BG-6

In a volunteer observer's own ground/1.3 mi away/4,599 ft/33 ft above here

precip, snowfall, snow depth

Rank-

Blackfoot Fire DeptBKFI1

At a cooperative observer's station/11.3 mi away/4,482 ft/84 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Idaho Falls/Fanning, drawn

The nearest airport reporting now, 15.5 mi from Firth, Idaho. From its report of Oct 15, 2026, 10:53 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 Idaho Falls/Fanning, 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 IDAFIG. A THE SKY OVER IDAHO FALLS/FANNINGSECTION, 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 MORE0510TITLEIdaho Falls/Fanning, the skySTATION REPORT · ASOS IDATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-IDA-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

38.0 F with a dew point of 33.0 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 Idaho Falls/Fanning: temperature 38.0 degrees Fahrenheit and dew point 33.0, 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 IDAFIG. B THE AIR AT IDAHO FALLS/FANNINGTHE 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 31.9 FTEMPERATURE 38.0 FDEW POINT 33.0 FSPREAD 5.0 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 POINTTITLEIdaho Falls/Fanning, the airSTATION REPORT · ASOS IDATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-IDA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at Idaho Falls/Fanning, north up: blowing from 330 degrees, the north northwest, 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 IDAFIG. C THE WIND AT IDAHO FALLS/FANNINGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIdaho Falls/Fanning, the windSTATION REPORT · ASOS IDATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-IDA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Idaho Falls/Fanning, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in Idaho

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

Near Firth

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

Near Firth

River and lake gauges