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Shawmut, Montana

Community in Wheatland County, Montana

Air quality

The air at Shawmut

Index 27, good, led by ozone. Read at 10 PM from its reporting area, Lewistown (MT), 48 miles off.

27Good
  • Fine particles (PM2.5)23Good-
  • Ozone27Good-
  • Coarse particles (PM10)6Good-

The days ahead

Yesterday measured 35, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Shawmut

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 Shawmut, the next 45 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Shawmut, 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 now3 instruments

Kilo1KM

At an airfield/15.0 mi away/4,330 ft/470 ft above here

temp, wind, gust, visibility, precip, pressure

Rank204of 1,053

measured daily2 instruments

Ryegate 13.3 WNW (Closed)MT-WH-1

In a volunteer observer's own ground/0.2 mi away/3,856 ft/4 ft below here

precip, snowfall, snow depth

Rank-

RyegateRYTM8

At a cooperative observer's station/13.1 mi away/3,655 ft/205 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Kilo, drawn

The nearest airport reporting now, 15.0 mi from Shawmut, 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 Kilo, 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 1KMFIG. A THE SKY OVER KILOSECTION, 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 MORE0510TITLEKilo, the skySTATION REPORT · ASOS 1KMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-1KM-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

33.0 F with a dew point of 26.4 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up.

Chart of the air at Kilo: temperature 33.0 degrees Fahrenheit and dew point 26.4, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1KMFIG. B THE AIR AT KILOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00010 F20 F30 F40 FSATURATES 1,500 FT ABOVE THE STATION, AT 25.0 FTEMPERATURE 33.0 FDEW POINT 26.4 FSPREAD 6.6 FRELATIVE HUMIDITY 76 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 POINTTITLEKilo, the airSTATION REPORT · ASOS 1KMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-1KM-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Kilo, 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 1KMFIG. C THE WIND AT KILOPLAN, 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 FORCE73TITLEKilo, the windSTATION REPORT · ASOS 1KMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-1KM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Montana

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

Near Shawmut

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

Near Shawmut

River and lake gauges