Storm Station
Sign in

Afton, Minnesota

City in Washington County, Minnesota

Air quality

The air at Afton

Index 24, good, led by fine particles. Read at 4 AM from its reporting area, Twin Cities (MN), 18 miles off.

24Good
  • Fine particles (PM2.5)24Good11.1 mi
  • Ozone6Good14 ppb18 mi
  • Coarse particles (PM10)8Good23.4 mi
  • Nitrogen dioxide4Good4.2 ppb21.6 mi
  • Sulfur dioxide0Good0.2 ppb22.7 mi
  • Carbon monoxide-0.2 ppm22.7 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 36, good.

Smoke, the next 46 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Afton

0.81 in in the last 24 hours, 0.93 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.81in
Last 3 days
0.93in

Visibility

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

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

FriSat

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

What is measuring near here

The 6 instruments nearest Afton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

measured daily2 instruments

Afton 0.8 NWMN-WG-107

In a volunteer observer's own ground/0.5 mi away/843 ft/72 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at St Paul / Lake Elmo, drawn

The nearest airport reporting now, 6.3 mi from Afton, Minnesota. From its report of Oct 16, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Scattered at 900 ft, overcast at 1,600 ft; the ceiling is 1,600 ft; visibility 10 mi or more.

Section of the sky over St Paul / Lake Elmo, height above the station to scale: scattered cloud with its base at 900 feet, overcast cloud with its base at 1,600 feet, the ceiling at 1,600 feet, 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 SHEETOVC 1,600 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 1,600 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, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.6 F with a dew point of 42.8 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at St Paul / Lake Elmo: temperature 44.6 degrees Fahrenheit and dew point 42.8, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 900 feet; 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 400 FT ABOVE THE STATION, AT 42.4 FLOWEST CLOUD REPORTED, SCT 900 FTTEMPERATURE AND DEW POINT 44.6 F, 42.8 FRELATIVE HUMIDITY 93 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-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 21 mph.

Plan of the wind at St Paul / Lake Elmo, north up: blowing from 340 degrees, the north northwest, at 9 miles an hour; 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 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH 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), 9.5 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Minnesota

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

Near Afton

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

Near Afton

River and lake gauges