Storm Station
Sign in

Cass Lake, Minnesota

City in Cass County, Minnesota

Air quality

The air at Cass Lake

Index 19, good, led by ozone. Read at 4 AM from its reporting area, Northwestern Minnesota (MN), 60 miles off.

19Good
  • Fine particles (PM2.5)8Good0.5 mi
  • Ozone19Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 24, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Cass Lake

0.06 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.06in

Visibility

How far you can see at Cass Lake, the next 46 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

On the radar over Cass Lake, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Cass Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

WalkerY49

At an airfield/15.3 mi away/1,348 ft/13 ft above here

temp, wind, gust, visibility, precip, pressure

Rank1,609of 1,965

measured daily2 instruments

Cass LakeCSLM5

At a cooperative observer's station/0.6 mi away/1,322 ft/13 ft below here

snowfall, snow depth, precip, high, low

Rank1,634of 1,965

Bemidji 9.3 ESEMN-BM-16

In a volunteer observer's own ground/5.3 mi away/1,314 ft/21 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Walker, drawn

The nearest airport reporting now, 15.3 mi from Cass Lake, Minnesota. From its report of Oct 16, 2026, 4:17 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,700 ft, broken at 3,300 ft; the ceiling is 2,700 ft; visibility 10 mi or more.

Section of the sky over Walker, height above the station to scale: broken cloud with its base at 2,700 feet, broken cloud with its base at 3,300 feet, the ceiling at 2,700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT Y49FIG. A THE SKY OVER WALKERSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 3,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 2,700 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,700 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWalker, the skySTATION REPORT · ASOS Y49TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-Y49-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

42.8 F with a dew point of 35.6 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,600 ft up; the lowest cloud reported is at 2,700 ft.

Chart of the air at Walker: temperature 42.8 degrees Fahrenheit and dew point 35.6, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,600 feet above the station, against the lowest cloud reported at 2,700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT Y49FIG. B THE AIR AT WALKERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 FSATURATES 1,600 FT ABOVE THE STATION, AT 34.0 FLOWEST CLOUD REPORTED, BKN 2,700 FTTEMPERATURE 42.8 FDEW POINT 35.6 FSPREAD 7.2 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 POINTTITLEWalker, the airSTATION REPORT · ASOS Y49TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-Y49-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Walker, north up: blowing from 350 degrees, the north, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT Y49FIG. C THE WIND AT WALKERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWalker, the windSTATION REPORT · ASOS Y49TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-Y49-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Minnesota

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

Near Cass Lake

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

Near Cass Lake

River and lake gauges