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Summit, Wisconsin

Village in Waukesha County, Wisconsin

Air quality

The air at Summit

Index 13, good, led by fine particles. Read at 12 AM from its reporting area, Kettle Moraine South (WI), 19 miles off.

13Good
  • Fine particles (PM2.5)13Good12.5 mi
  • Ozone10Good9 ppb12.5 mi
  • Coarse particles (PM10)4Good12.5 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 23, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Summit

0.14 in in the last 24 hours, 0.19 in over the last 3 days, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.14in
Last 3 days
0.19in

Visibility

How far you can see at Summit, the next 43 hours

Visibility stays 5 miles or more through Sat 7 PM, lowest 5 miles Fri 5 PM.

FriSat

On the radar over Summit, WisconsinReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Summit, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

Pewaukee WWTPPWKW3

At a water treatment plant/8.6 mi away/912 ft/32 ft above here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Oconomowoc 4.5 SEWI-WK-26

In a volunteer observer's own ground/1.7 mi away/887 ft/7 ft above here

precip, snowfall, snow depth

Rank-

OconomowocOCOW3

At a cooperative observer's station/4.4 mi away/860 ft/20 ft below here

snowfall, snow depth, precip, high, low

Rank209of 1,313

Station report

The weather at Waukesha Cnty, drawn

The nearest airport reporting now, 11.5 mi from Summit, Wisconsin. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 1,300 ft; the ceiling is 1,300 ft; visibility 10 mi or more.

Section of the sky over Waukesha Cnty, height above the station to scale: overcast cloud with its base at 1,300 feet, the ceiling at 1,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UESFIG. A THE SKY OVER WAUKESHA CNTYSECTION, 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 1,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWaukesha Cnty, the skySTATION REPORT · ASOS UESTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-UES-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

53.6 F with a dew point of 50.0 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Waukesha Cnty: temperature 53.6 degrees Fahrenheit and dew point 50.0, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT UESFIG. B THE AIR AT WAUKESHA CNTYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 49.1 FLOWEST CLOUD REPORTED, OVC 1,300 FTTEMPERATURE 53.6 FDEW POINT 50.0 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLEWaukesha Cnty, the airSTATION REPORT · ASOS UESTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-UES-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 16 mph, gusting 31 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 35 mph.

Plan of the wind at Waukesha Cnty, north up: blowing from 300 degrees, the west northwest, at 16 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 UESFIG. C THE WIND AT WAUKESHA CNTYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 31 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWaukesha Cnty, the windSTATION REPORT · ASOS UESTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-UES-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Oconomowoc (OCOW3), 4.4 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Wisconsin

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

Near Summit

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

Near Summit

River and lake gauges