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Sapphire Ridge, Montana

Community in Judith Basin County, Montana

Air quality

The air at Sapphire Ridge

Index 33, good, led by ozone. Read at 8 AM from its reporting area, Lewistown (MT), 39 miles off.

33Good
  • Fine particles (PM2.5)2Good-
  • Ozone33Good-
  • Coarse particles (PM10)2Good-

The days ahead

Yesterday measured 41, good.

Smoke, the next 41 hours

Little smoke near the ground through Mon 12 AM: the index from smoke stays at 11 or under.

SatSun

Precipitation

What has fallen at Sapphire Ridge

None in the last 3 days, to Sat 7 AM. 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 Sapphire Ridge, the next 41 hours

Visibility stays 10 miles or more through Mon 12 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Sapphire Ridge, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now5 instruments

MoccasinS2119

At a soil climate station/18.4 mi away/4,256 ft/645 ft below here

temp, humidity, soil temp, soil moisture

Rank811of 1,045

Lima1LM

At an airfield/27.7 mi away/4,602 ft/299 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Judith River Wma CRNJRWM8

At a cooperative observer's station/1.8 mi away/5,115 ft/214 ft above here

snowfall, snow depth, precip, high, low

Rank-

Stanford 0.1 NWMT-JB-2

In a volunteer observer's own ground/18.4 mi away/4,287 ft/614 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Judith River Wma CRN, drawn

The nearest instrument reporting now, 1.8 mi from Sapphire Ridge, Montana. From its report of Oct 17, 2026, 8:00 AM local time: 3 of its 5 sheets.

The air

52.3 F with a dew point of 17.5 F, 25 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,800 ft up.

Chart of the air at Judith River Wma CRN: temperature 52.3 degrees Fahrenheit and dew point 17.5, 25 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JRWM8FIG. B THE AIR AT JUDITH RIVER WMA CRNTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,0000 F10 F20 F30 F40 F50 F60 FSATURATES 7,800 FT ABOVE THE STATION, AT 10.6 FTEMPERATURE 52.3 FDEW POINT 17.5 FSPREAD 34.8 FRELATIVE HUMIDITY 25 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 POINTTITLEJudith River Wma CRN, the airSTATION REPORT · DCP JRWM8TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-17IDSR-JRWM8-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 12 mph, gusting 16 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Judith River Wma CRN, north up: at 12 miles an hour, gusting 16; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JRWM8FIG. C THE WIND AT JUDITH RIVER WMA CRNPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE13GUST, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJudith River Wma CRN, the windSTATION REPORT · DCP JRWM8TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-17IDSR-JRWM8-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 5,115 ft above sea level, 17 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 24.79 inHg and the temperature at 40.8 F; it reports 52.3 F, 11.5 F warmer than standard.

Section from sea level of where Judith River Wma CRN stands in the atmosphere, height to scale: the station 5,115 feet above sea level with 17 per cent of the air below it; the standard atmosphere's pressure there, 24.79 inches of mercury, and temperature, 40.8 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JRWM8FIG. D WHERE JUDITH RIVER WMA CRN STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREJUDITH RIVER WMA CRN17 PER CENT OF THE AIR BELOW IT5,115 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE24.79 inHgSTANDARD TEMPERATURE HERE40.8 FTEMPERATURE, REPORTED52.3 FTITLEJudith River Wma CRN, the columnSTATION REPORT · DCP JRWM8TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-17IDSR-JRWM8-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Judith River Wma CRN, in 5 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 Sapphire Ridge

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

Near Sapphire Ridge

River and lake gauges