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Boy River, Minnesota

City in Cass County, Minnesota

Air quality

The air at Boy River

Index 23, good, led by fine particles. Read at 11 PM from its reporting area, Central Minnesota (MN), 43 miles off.

23Good
  • Fine particles (PM2.5)23Good-
  • Ozone21Good-

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 25, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 7 PM: the index from smoke stays at 6 or under.

SatSun

Precipitation

What has fallen at Boy River

None in the last 24 hours; 0.14 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.14in

Visibility

How far you can see at Boy River, the next 45 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

On the radar over Boy River, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Boy River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.4 miles away.

measured now4 instruments

measured daily2 instruments

Federal Dam 0.3 SMN-CS-25

In a volunteer observer's own ground/6.4 mi away/1,335 ft/5 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Longville, drawn

The nearest airport reporting now, 13.1 mi from Boy River, Minnesota. From its report of Oct 16, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 9 mi.

Section of the sky over Longville, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 9 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XVGFIG. A THE SKY OVER LONGVILLESECTION, 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: 9 MI0510TITLELongville, the skySTATION REPORT · ASOS XVGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-XVG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

28.0 F with a dew point of 27.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Longville: temperature 28.0 degrees Fahrenheit and dew point 27.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XVGFIG. B THE AIR AT LONGVILLETHE 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 FSATURATES 200 FT ABOVE THE STATION, AT 26.8 FTEMPERATURE AND DEW POINT 28.0 F, 27.0 FRELATIVE HUMIDITY 96 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 POINTTITLELongville, the airSTATION REPORT · ASOS XVGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-XVG-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 Longville, 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 XVGFIG. C THE WIND AT LONGVILLEPLAN, 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 FORCE73TITLELongville, the windSTATION REPORT · ASOS XVGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-XVG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Federal Dam 3WNW - Leech Lake (FEDM5), 7.0 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Minnesota

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

Near Boy River

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

Near Boy River

River and lake gauges