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Joplin, Montana

Community in Liberty County, Montana

Air quality

The air at Joplin

Index 4, good, led by fine particles. Read at 10 PM from its reporting area, Havre (MT), 50 miles off.

4Good
  • Fine particles (PM2.5)4Good-

The days ahead

Yesterday measured 3, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 6 PM: the index from smoke stays at 11 or under.

SatSun

Precipitation

What has fallen at Joplin

None in the last 3 days, to Fri 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 Joplin, the next 45 hours

Visibility stays 10 miles or more through Sun 6 PM.

SatSun

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

What is measuring near here

The 6 instruments nearest Joplin, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.5 miles away.

measured now4 instruments

Violett ScanVIOM8

At a river or reservoir gauge/20.9 mi away/3,225 ft/97 ft below here

temp, wind, gust, humidity, pressure

Rank616of 1,045

ViolettS2118

At a soil climate station/20.9 mi away/3,225 ft/97 ft below here

temp, humidity, soil temp, soil moisture

Rank716of 1,045

measured daily2 instruments

Inverness 0.2 SSWMT-HL-3

In a volunteer observer's own ground/3.5 mi away/3,321 ft/1 ft below here

precip, snowfall, snow depth

Rank-

ChesterCHEM8

At a cooperative observer's station/9.8 mi away/3,120 ft/202 ft below here

snowfall, snow depth, precip, high, low

Rank1,001of 1,045

Station report

The weather at Inverness US-2 MP 337.6, drawn

The nearest instrument reporting now, 5.5 mi from Joplin, Montana. From its report of Oct 16, 2026, 10:00 PM local time: 3 of its 5 sheets.

The air

52.0 F with a dew point of 21.5 F, 30 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,800 ft up.

Chart of the air at Inverness US-2 MP 337.6: temperature 52.0 degrees Fahrenheit and dew point 21.5, 30 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTINVFIG. B THE AIR AT INVERNESS US-2 MP 337.6THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,0000 F10 F20 F30 F40 F50 F60 FSATURATES 6,800 FT ABOVE THE STATION, AT 15.4 FTEMPERATURE 52.0 FDEW POINT 21.5 FSPREAD 30.5 FRELATIVE HUMIDITY 30 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 POINTTITLEInverness US-2 MP 337.6, the airSTATION REPORT · RWIS MTINVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-17IDSR-MTINV-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (90 degrees) at 17 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Inverness US-2 MP 337.6, north up: blowing from 90 degrees, the east, at 17 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTINVFIG. C THE WIND AT INVERNESS US-2 MP 337.6PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 90°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEInverness US-2 MP 337.6, the windSTATION REPORT · RWIS MTINVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-17IDSR-MTINV-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 3,264 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.56 inHg and the temperature at 47.4 F; it reports 52.0 F, 4.6 F warmer than standard.

Section from sea level of where Inverness US-2 MP 337.6 stands in the atmosphere, height to scale: the station 3,264 feet above sea level with 11 per cent of the air below it; the standard atmosphere's pressure there, 26.56 inches of mercury, and temperature, 47.4 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTINVFIG. D WHERE INVERNESS US-2 MP 337.6 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 ATMOSPHEREINVERNESS US-2 MP 337.611 PER CENT OF THE AIR BELOW IT3,264 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 HERE26.56 inHgSTANDARD TEMPERATURE HERE47.4 FTEMPERATURE, REPORTED52.0 FTITLEInverness US-2 MP 337.6, the columnSTATION REPORT · RWIS MTINVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-17IDSR-MTINV-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Inverness US-2 MP 337.6, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Chester (CHEM8), 9.8 miles from here, read 16 Oct, 09:00. measured daily

Elsewhere in Montana

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

Near Joplin

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

Near Joplin

River and lake gauges