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Cottonwood, Minnesota

City in Lyon County, Minnesota

Air quality

The air at Cottonwood

Index 19, good, led by ozone. Read at 7 AM from its reporting area, Southwestern Minnesota (MN), 11 miles off.

19Good
  • Fine particles (PM2.5)12Good13.3 mi
  • Ozone19Good21 ppb13.3 mi
  • Coarse particles (PM10)8Good13.3 mi

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 27, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Cottonwood

0.16 in in the last 24 hours, 0.20 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.16in
Last 3 days
0.20in

Visibility

How far you can see at Cottonwood, the next 42 hours

Visibility stays 10 miles or more through Sun 1 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Cottonwood, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now4 instruments

measured daily2 instruments

Cottonwood 3.9 WNWMN-YM-16

In a volunteer observer's own ground/4.1 mi away/1,086 ft/7 ft above here

precip, snowfall, snow depth

Rank-

DiversionMMLM5

At a cooperative observer's station/11.4 mi away/1,142 ft/63 ft above here

snowfall, snow depth, precip, high, low

Rank194of 1,965

Station report

The weather at Granite Falls, drawn

The nearest airport reporting now, 11.6 mi from Cottonwood, Minnesota. From its report of Oct 16, 2026, 7:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 4,400 ft; the ceiling is 4,400 ft; visibility 10 mi or more.

Section of the sky over Granite Falls, height above the station to scale: broken cloud with its base at 4,400 feet, the ceiling at 4,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDBFIG. A THE SKY OVER GRANITE FALLSSECTION, 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 STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 4,400 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 4,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGranite Falls, the skySTATION REPORT · ASOS GDBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GDB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

42.3 F with a dew point of 35.6 F, 77 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up; the lowest cloud reported is at 4,400 ft.

Chart of the air at Granite Falls: temperature 42.3 degrees Fahrenheit and dew point 35.6, 77 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station, against the lowest cloud reported at 4,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDBFIG. B THE AIR AT GRANITE FALLSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 FSATURATES 1,500 FT ABOVE THE STATION, AT 34.1 FLOWEST CLOUD REPORTED, BKN 4,400 FTTEMPERATURE 42.3 FDEW POINT 35.6 FSPREAD 6.7 FRELATIVE HUMIDITY 77 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 POINTTITLEGranite Falls, the airSTATION REPORT · ASOS GDBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GDB-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 18 mph, gusting 31 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 37 mph.

Plan of the wind at Granite Falls, north up: blowing from 320 degrees, the northwest, at 18 miles an hour, gusting 31; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GDBFIG. C THE WIND AT GRANITE FALLSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 31 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGranite Falls, the windSTATION REPORT · ASOS GDBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GDB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Diversion (MMLM5), 11.4 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 Cottonwood

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

Near Cottonwood

River and lake gauges