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Cannon Falls, Minnesota

City in Goodhue County, Minnesota

Air quality

The air at Cannon Falls

Index 21, good, led by fine particles. Read at 4 AM from its reporting area, Southern Twin Cities Metro (MN), 22 miles off.

21Good
  • Fine particles (PM2.5)21Good22.9 mi
  • Ozone10Good12 ppb6.2 mi
  • Nitrogen dioxide0Good0.1 ppb23.3 mi
  • Carbon monoxide-0.2 ppm23.3 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 28, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Cannon Falls

1.10 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
1.10in
Last 3 days
1.10in

Visibility

How far you can see at Cannon Falls, the next 46 hours

Visibility stays 7 miles or more through Sun 1 AM, lowest 7 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Cannon Falls, 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

Cannon Falls 0.1 SWMN-GH-40

In a volunteer observer's own ground/0.1 mi away/815 ft/3 ft below here

precip, snowfall, snow depth

Rank-

Farmington CwsuZMPM5

At a cooperative observer's station/15.0 mi away/909 ft/91 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Stanton Airfield, drawn

The nearest airport reporting now, 6.0 mi from Cannon Falls, Minnesota. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 5 sheets.

The sky

Scattered at 1,000 ft, overcast at 1,500 ft; the ceiling is 1,500 ft; visibility 3 mi.

Section of the sky over Stanton Airfield, height above the station to scale: scattered cloud with its base at 1,000 feet, overcast cloud with its base at 1,500 feet, the ceiling at 1,500 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SYNFIG. A THE SKY OVER STANTON AIRFIELDSECTION, 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 1,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,000 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 1,500 FTVISIBILITY, MILES: 3 MI0510TITLEStanton Airfield, the skySTATION REPORT · ASOS SYNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-SYN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

45.7 F with a dew point of 45.0 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 1,000 ft.

Chart of the air at Stanton Airfield: temperature 45.7 degrees Fahrenheit and dew point 45.0, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 1,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SYNFIG. B THE AIR AT STANTON AIRFIELDTHE 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 200 FT ABOVE THE STATION, AT 44.8 FLOWEST CLOUD REPORTED, SCT 1,000 FTTEMPERATURE AND DEW POINT 45.7 F, 45.0 FRELATIVE HUMIDITY 97 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 POINTTITLEStanton Airfield, the airSTATION REPORT · ASOS SYNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-SYN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 919 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.94 inHg and the temperature at 55.7 F; the station's altimeter setting of 30.07 inHg means its barometer reads 29.08 inHg; it reports 45.7 F, 10.0 F colder than standard.

Section from sea level of where Stanton Airfield stands in the atmosphere, height to scale: the station 919 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 28.94 inches of mercury, and temperature, 55.7 degrees Fahrenheit; the altimeter setting of 30.07 and the station pressure it means, 29.08.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SYNFIG. D WHERE STANTON AIRFIELD STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERESTANTON AIRFIELD3 PER CENT OF THE AIR BELOW IT919 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.94 inHgSTANDARD TEMPERATURE HERE55.7 FALTIMETER SETTING, REPORTED30.07 inHgITS BAROMETER READS29.08 inHgTEMPERATURE, REPORTED45.7 FTITLEStanton Airfield, the columnSTATION REPORT · ASOS SYNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-SYN-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Stanton Airfield, in 5 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 Cannon Falls

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

Near Cannon Falls

River and lake gauges