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Fosston, Minnesota

City in Polk County, Minnesota

Air quality

The air at Fosston

Index 19, good, led by ozone. Read at 4 AM from its reporting area, Northwestern Minnesota (MN), 26 miles off.

19Good
  • Fine particles (PM2.5)8Good-
  • 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 Fosston

0.13 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
0.13in
Last 3 days
0.13in

Visibility

How far you can see at Fosston, the next 46 hours

Visibility stays 9 miles or more through Sun 1 AM, lowest 9 miles Fri 10 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Fosston, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now5 instruments

FosstonFSE

At an airfield/1.5 mi away/1,276 ft/20 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1,722of 1,965

measured daily2 instruments

Fosston 0.7 SSEMN-PK-12

In a volunteer observer's own ground/0.3 mi away/1,297 ft/1 ft above here

precip, snowfall, snow depth

Rank-

Mahnomen 1WMHNM5

At a cooperative observer's station/21.1 mi away/1,203 ft/93 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fosston, drawn

The nearest airport reporting now, 1.5 mi from Fosston, Minnesota. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,400 ft; the ceiling is 2,400 ft; visibility 10 mi or more.

Section of the sky over Fosston, height above the station to scale: overcast cloud with its base at 2,400 feet, the ceiling at 2,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSEFIG. A THE SKY OVER FOSSTONSECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFosston, the skySTATION REPORT · ASOS FSETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FSE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

40.3 F with a dew point of 33.4 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 2,400 ft.

Chart of the air at Fosston: temperature 40.3 degrees Fahrenheit and dew point 33.4, 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 2,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSEFIG. B THE AIR AT FOSSTONTHE 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 1,600 FT ABOVE THE STATION, AT 31.9 FLOWEST CLOUD REPORTED, OVC 2,400 FTTEMPERATURE 40.3 FDEW POINT 33.4 FSPREAD 6.9 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 POINTTITLEFosston, the airSTATION REPORT · ASOS FSETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FSE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 20 mph, gusting 38 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 38 mph.

Plan of the wind at Fosston, north up: blowing from 360 degrees, the north, at 20 miles an hour, gusting 38; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSEFIG. C THE WIND AT FOSSTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 20 MPH6STRONG BREEZE257NEAR GALE32GUST, 38 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFosston, the windSTATION REPORT · ASOS FSETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FSE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Minnesota

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

Near Fosston

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

Near Fosston

River and lake gauges