Storm Station
Sign in

Cottage Grove, Minnesota

City in Washington County, Minnesota

Air quality

The air at Cottage Grove

Index 27, good, led by fine particles. Read at 12 AM from its reporting area, Twin Cities (MN), 15 miles off.

27Good
  • Fine particles (PM2.5)27Good10.1 mi
  • Ozone12Good14 ppb18 mi
  • Coarse particles (PM10)12Good20.6 mi
  • Nitrogen dioxide2Good2.5 ppb18 mi
  • Sulfur dioxide0Good0.2 ppb19.3 mi
  • Carbon monoxide-0.2 ppm19 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 21, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Cottage Grove

0.74 in in the last 24 hours, 0.85 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.74in
Last 3 days
0.85in

Visibility

How far you can see at Cottage Grove, the next 43 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Sat 3 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Cottage Grove, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now4 instruments

measured daily2 instruments

Cottage Grove 1.7 NWMN-WG-53

In a volunteer observer's own ground/0.9 mi away/823 ft/68 ft below here

precip, snowfall, snow depth

Rank-

Hastings 1NWHSTM5

At a cooperative observer's station/6.1 mi away/677 ft/214 ft below here

snowfall, snow depth, precip, high, low

Rank196of 1,965

Station report

The weather at South St Paul, drawn

The nearest airport reporting now, 5.0 mi from Cottage Grove, Minnesota. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,800 ft, scattered at 2,500 ft, overcast at 3,300 ft; the ceiling is 3,300 ft; visibility 10 mi or more.

Section of the sky over South St Paul, height above the station to scale: scattered cloud with its base at 1,800 feet, scattered cloud with its base at 2,500 feet, overcast cloud with its base at 3,300 feet, the ceiling at 3,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGSFIG. A THE SKY OVER SOUTH ST PAULSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,300 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 2,500 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYSCT 1,800 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 3,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESouth St Paul, the skySTATION REPORT · ASOS SGSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SGS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.6 F with a dew point of 41.0 F, 81 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at South St Paul: temperature 46.6 degrees Fahrenheit and dew point 41.0, 81 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGSFIG. B THE AIR AT SOUTH ST PAULTHE 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 1,300 FT ABOVE THE STATION, AT 39.7 FLOWEST CLOUD REPORTED, SCT 1,800 FTTEMPERATURE 46.6 FDEW POINT 41.0 FSPREAD 5.6 FRELATIVE HUMIDITY 81 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 POINTTITLESouth St Paul, the airSTATION REPORT · ASOS SGSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SGS-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 13 mph, gusting 18 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 18 mph.

Plan of the wind at South St Paul, north up: blowing from 300 degrees, the west northwest, at 13 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SGSFIG. C THE WIND AT SOUTH ST PAULPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESouth St Paul, the windSTATION REPORT · ASOS SGSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SGS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Hastings 1NW (HSTM5), 6.1 miles from here, read 15 Oct, 04:45. measured daily

Elsewhere in Minnesota

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

Near Cottage Grove

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

Near Cottage Grove

River and lake gauges