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Shelby, Montana

City in Toole County, Montana

Air quality

The air at Shelby

Index 28, good, led by fine particles. Read at 9 PM from its reporting area, Cut Bank (MT), 24 miles off.

28Good
  • Fine particles (PM2.5)28Good-

The days ahead

Yesterday measured 19, good.

Smoke, the next 45 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 Shelby

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

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Visibility stays 7 miles or more through Sat 6 PM, lowest 8 miles Fri 9 AM.

FriSat

On the radar over Shelby, MontanaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Shelby, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now5 instruments

ShelbySBX

At an airfield/2.5 mi away/3,428 ft/110 ft above here

temp, wind, gust, visibility, precip, pressure

Rank208of 1,053

Conrad Ag RcS2117

At a soil climate station/14.2 mi away/3,706 ft/388 ft above here

temp, humidity, soil temp, soil moisture

Rank669of 1,053

measured daily2 instruments

Shelby 0.4 SWMT-TL-1

In a volunteer observer's own ground/0.0 mi away/3,317 ft/1 ft below here

precip, snowfall, snow depth

Rank-

ShelbySLBM8

At a cooperative observer's station/0.4 mi away/3,278 ft/40 ft below here

snowfall, snow depth, precip, high, low

Rank78of 1,053

Station report

The weather at Shelby, drawn

The nearest airport reporting now, 2.5 mi from Shelby, Montana. From its report of Oct 15, 2026, 9:55 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 Shelby, 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 SBXFIG. A THE SKY OVER SHELBYSECTION, 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 MORE0510TITLEShelby, the skySTATION REPORT · ASOS SBXTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SBX-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

35.6 F with a dew point of 35.6 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Shelby: temperature 35.6 degrees Fahrenheit and dew point 35.6, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBXFIG. B THE AIR AT SHELBYTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 35.6 F, 35.6 FRELATIVE HUMIDITY 100 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 POINTTITLEShelby, the airSTATION REPORT · ASOS SBXTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SBX-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Shelby, north up: blowing from 150 degrees, the south southeast, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBXFIG. C THE WIND AT SHELBYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEShelby, the windSTATION REPORT · ASOS SBXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SBX-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Shelby (SLBM8), 0.4 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in Montana

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

Near Shelby

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

Near Shelby

River and lake gauges