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Princeton, Minnesota

City in Mille Lacs County, Minnesota

Air quality

The air at Princeton

Index 21, good, led by fine particles. Read at 12 AM from its reporting area, East Central Minnesota (MN), 22 miles off.

21Good
  • Fine particles (PM2.5)21Good-
  • Ozone17Good17 ppb22.2 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 22, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Princeton

0.34 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.34in
Last 3 days
0.34in

Visibility

How far you can see at Princeton, the next 43 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Princeton, 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

measured daily2 instruments

Princeton 0.2 SWMN-ML-2

In a volunteer observer's own ground/0.3 mi away/980 ft/2 ft above here

precip, snowfall, snow depth

Rank-

SantiagoSATM5

At a cooperative observer's station/8.5 mi away/1,017 ft/39 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Princeton Muni, drawn

The nearest airport reporting now, 1.4 mi from Princeton, Minnesota. From its report of Oct 16, 2026, 12:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,800 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Princeton Muni, height above the station to scale: overcast cloud with its base at 1,800 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNMFIG. A THE SKY OVER PRINCETON MUNISECTION, 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 SHEETOVC 1,800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEPrinceton Muni, the skySTATION REPORT · ASOS PNMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-PNM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.0 F with a dew point of 41.7 F, 85 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,000 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Princeton Muni: temperature 46.0 degrees Fahrenheit and dew point 41.7, 85 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,000 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNMFIG. B THE AIR AT PRINCETON MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,000 FT ABOVE THE STATION, AT 40.7 FLOWEST CLOUD REPORTED, OVC 1,800 FTTEMPERATURE 46.0 FDEW POINT 41.7 FSPREAD 4.3 FRELATIVE HUMIDITY 85 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 POINTTITLEPrinceton Muni, the airSTATION REPORT · ASOS PNMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-PNM-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 14 mph: force 4, a moderate breeze on the Beaufort scale.

Plan of the wind at Princeton Muni, north up: blowing from 300 degrees, the west northwest, at 14 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PNMFIG. C THE WIND AT PRINCETON MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPrinceton Muni, the windSTATION REPORT · ASOS PNMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-PNM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Santiago (SATM5), 8.5 miles from here, read 8 Oct, 19:00. measured daily

Elsewhere in Minnesota

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

Near Princeton

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

Near Princeton

River and lake gauges