Storm Station
Sweet Grass, Montana
47°
Clear· Feels like 41°·Moderate breeze 14 mph W
Patchy fog. Partly cloudy, with a low around 33. Southwest wind around 5 mph.
-UV
-Air quality
38%Humidity
11%Cloud

What is measuring near here

The 5 instruments nearest Sweet Grass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.8 miles away.

measured now3 instruments

Sweetgrass I-15 MP 395.3MTSWT

Beside a road/2.8 mi away/3,593 ft/50 ft above here

temp, pavement temp, wind, visibility, precip

Rank593of 702

ShelbySBX

At an airfield/31.8 mi away/3,428 ft/115 ft below here

temp, wind, gust, visibility, precip, pressure

Rank12of 702

measured daily2 instruments

Sunburst 3.4 SEMT-TL-4

In a volunteer observer's own ground/11.9 mi away/3,512 ft/31 ft below here

precip, snowfall, snow depth

Rank-

Gold Butte 7NGNSM8

At a cooperative observer's station/25.7 mi away/3,497 ft/46 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Shelby, drawn

The nearest airport reporting now, 31.8 mi from Sweet Grass. From its report of Sep 27, 2026, 2:55 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 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 6DATE2026-09-27IDSR-SBX-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

33.8 F with a dew point of 33.8 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Shelby: temperature 33.8 degrees Fahrenheit and dew point 33.8, 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 33.8 F, 33.8 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 6DATE2026-09-27IDSR-SBX-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Shelby, 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 SBXFIG. C THE WIND AT SHELBYPLAN, 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 FORCE73TITLEShelby, the windSTATION REPORT · ASOS SBXTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

-in

Snow on the ground

Elsewhere in Montana

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

Near Sweet Grass

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