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Marine on St. Croix, Minnesota

City in Washington County, Minnesota

Air quality

The air at Marine on St. Croix

Index 28, good, led by ozone. Read at 4 PM from its reporting area, Northern Twin Cities Metro (MN), 25 miles off.

28Good
  • Fine particles (PM2.5)6Good21.1 mi
  • Ozone28Good28 ppb2.2 mi
  • Coarse particles (PM10)4Good22 mi
  • Sulfur dioxide0Good0.7 ppb22 mi
  • Carbon monoxide-0.2 ppm22 mi

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 32, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Marine on St. Croix

0.53 in in the last 24 hours, 1.05 in over the last 3 days, to Fri 3 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.53in
Last 3 days
1.05in

Visibility

How far you can see at Marine on St. Croix, the next 46 hours

Visibility stays 9 miles or more through Sun 1 PM, lowest 10 miles Sat 8 AM.

FriSatSun

On the radar over Marine on St. Croix, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Marine on St. Croix, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now4 instruments

measured daily2 instruments

Marine On Saint Croix 0.3 EMN-WG-110

In a volunteer observer's own ground/0.1 mi away/796 ft/45 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at St Paul / Lake Elmo, drawn

The nearest airport reporting now, 14.4 mi from Marine on St. Croix, Minnesota. From its report of Oct 16, 2026, 4:15 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over St Paul / Lake Elmo, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 21DFIG. A THE SKY OVER ST PAUL / LAKE ELMOSECTION, 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: 10 MI OR MORE0510TITLESt Paul / Lake Elmo, the skySTATION REPORT · ASOS 21DTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-21D-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

50.0 F with a dew point of 28.4 F, 43 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,900 ft up.

Chart of the air at St Paul / Lake Elmo: temperature 50.0 degrees Fahrenheit and dew point 28.4, 43 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 21DFIG. B THE AIR AT ST PAUL / LAKE ELMOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00010 F20 F30 F40 F50 F60 FSATURATES 4,900 FT ABOVE THE STATION, AT 23.9 FTEMPERATURE 50.0 FDEW POINT 28.4 FSPREAD 21.6 FRELATIVE HUMIDITY 43 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 POINTTITLESt Paul / Lake Elmo, the airSTATION REPORT · ASOS 21DTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-21D-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (360 degrees) at 8 mph, gusting 17 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at St Paul / Lake Elmo, north up: blowing from 360 degrees, the north, at 8 miles an hour, gusting 17; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 21DFIG. C THE WIND AT ST PAUL / LAKE ELMOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 360°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE13GUST, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESt Paul / Lake Elmo, the windSTATION REPORT · ASOS 21DTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-21D-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of St Paul / Lake Elmo, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Stillwater 2SW (STIM5), 11.2 miles from here, read 16 Oct, 08:00. measured daily

Elsewhere in Minnesota

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

Near Marine on St. Croix

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

Near Marine on St. Croix

River and lake gauges