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Cottage Grove, Wisconsin

Village in Dane County, Wisconsin

Air quality

The air at Cottage Grove

Index 7, good, led by fine particles. Read at 7 PM from its reporting area, Madison Area (WI), 11 miles off.

7Good
  • Fine particles (PM2.5)7Good7.5 mi
  • Coarse particles (PM10)4Good-

The days ahead

Good each day through Mon Oct 19, led by ozone. Yesterday measured 13, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at Cottage Grove

0.04 in in the last 24 hours, 0.64 in over the last 3 days, to Fri 6 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.64in

Visibility

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

Visibility stays 8 miles or more through Sun 1 PM, lowest 9 miles Sat 7 AM.

FriSatSun

On the radar over Cottage Grove, WisconsinReflectivityStorm 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 0.7 miles away.

measured now4 instruments

I-39 / 90 at Church RdWI087

Beside a road/6.9 mi away/912 ft/4 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

MadisonMSN

At an airfield/7.8 mi away/856 ft/52 ft below here

temp, wind, gust, visibility, precip, pressure

Rank5of 1,353

measured daily2 instruments

Station report

The weather at Madison, drawn

The nearest airport reporting now, 7.8 mi from Cottage Grove, Wisconsin. From its report of Oct 16, 2026, 6:53 PM local time: 3 of its 6 sheets.

The sky

A few clouds at 6,000 ft; visibility 10 mi or more.

Section of the sky over Madison, height above the station to scale: a few clouds cloud with its base at 6,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSNFIG. A THE SKY OVER MADISONSECTION, 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 STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 6,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEMadison, the skySTATION REPORT · ASOS MSNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MSN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.0 F with a dew point of 33.0 F, 60 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up; the lowest cloud reported is at 6,000 ft.

Chart of the air at Madison: temperature 46.0 degrees Fahrenheit and dew point 33.0, 60 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station, against the lowest cloud reported at 6,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MSNFIG. B THE AIR AT MADISONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 FSATURATES 2,900 FT ABOVE THE STATION, AT 30.2 FLOWEST CLOUD REPORTED, FEW 6,000 FTTEMPERATURE 46.0 FDEW POINT 33.0 FSPREAD 13.0 FRELATIVE HUMIDITY 60 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 POINTTITLEMadison, the airSTATION REPORT · ASOS MSNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MSN-2DRAWN AS linework on paperSOURCES 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 40 mph.

Plan of the wind at Madison, 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 MSNFIG. C THE WIND AT MADISONPLAN, 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 FORCE73TITLEMadison, the windSTATION REPORT · ASOS MSNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MSN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at South Side-Arboretum Univ Wi (ARBW3), 11.8 miles from here, read 16 Oct, 10:32. measured daily

Elsewhere in Wisconsin

19 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