Storm Station
Sign in

Roy Lake, Minnesota

Community in Clearwater County, Minnesota

Air quality

The air at Roy Lake

Index 19, good, led by ozone. Read at 3 AM from its reporting area, Northwestern Minnesota (MN), 43 miles off.

19Good
  • Fine particles (PM2.5)10Good-
  • Ozone19Good-

The days ahead

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

Smoke, the next 41 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Roy Lake

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

Last 24 hours
0.14in
Last 3 days
0.14in

Visibility

How far you can see at Roy Lake, the next 41 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 10 miles Fri 3 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Roy Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 10.0 miles away.

measured now4 instruments

Mahnomen3N8

At an airfield/18.7 mi away/1,231 ft/258 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 1,965

measured daily2 instruments

Univ. Of Minn.ITAM5

At a cooperative observer's station/17.3 mi away/1,470 ft/19 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mahnomen, drawn

The nearest airport reporting now, 18.7 mi from Roy Lake, Minnesota. From its report of Oct 16, 2026, 3:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 2,300 ft, overcast at 3,000 ft; the ceiling is 2,300 ft; visibility 10 mi or more.

Section of the sky over Mahnomen, height above the station to scale: broken cloud with its base at 2,300 feet, overcast cloud with its base at 3,000 feet, the ceiling at 2,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3N8FIG. A THE SKY OVER MAHNOMENSECTION, 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 SHEETOVC 3,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 2,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMahnomen, the skySTATION REPORT · ASOS 3N8TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-3N8-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

41.0 F with a dew point of 35.6 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 2,300 ft.

Chart of the air at Mahnomen: temperature 41.0 degrees Fahrenheit and dew point 35.6, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 2,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3N8FIG. B THE AIR AT MAHNOMENTHE 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 F50 FSATURATES 1,200 FT ABOVE THE STATION, AT 34.4 FLOWEST CLOUD REPORTED, BKN 2,300 FTTEMPERATURE 41.0 FDEW POINT 35.6 FSPREAD 5.4 FRELATIVE HUMIDITY 81 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 POINTTITLEMahnomen, the airSTATION REPORT · ASOS 3N8TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-3N8-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 22 mph, gusting 33 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 33 mph.

Plan of the wind at Mahnomen, north up: blowing from 350 degrees, the north, at 22 miles an hour, gusting 33; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 3N8FIG. C THE WIND AT MAHNOMENPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 22 MPH6STRONG BREEZE257NEAR GALE32GUST, 33 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMahnomen, the windSTATION REPORT · ASOS 3N8TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-3N8-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Mahnomen, 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 Roy Lake

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

Near Roy Lake

River and lake gauges