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Vernon, Wisconsin

Village in Waukesha County, Wisconsin

Air quality

The air at Vernon

Index 22, good, led by fine particles. Read at 10 PM from its reporting area, Kettle Moraine South (WI), 20 miles off.

22Good
  • Fine particles (PM2.5)22Good10.1 mi
  • Ozone7Good7 ppb10.1 mi
  • Coarse particles (PM10)6Good10.1 mi
  • Nitrogen dioxide8Good8.2 ppb17.4 mi
  • Carbon monoxide-0.3 ppm17.4 mi

The days ahead

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

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Vernon

0.48 in in the last 24 hours, 0.57 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.48in
Last 3 days
0.57in

Visibility

How far you can see at Vernon, the next 45 hours

Visibility stays 6 miles or more through Sat 7 PM, lowest 7 miles Fri 2 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Vernon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.2 miles away.

measured now4 instruments

I-43 SB at STH 83WI073

Beside a road/3.4 mi away/814 ft/12 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

East Troy57C

At an airfield/7.8 mi away/834 ft/8 ft above here

temp, wind, gust, visibility, precip, pressure

Rank873of 1,313

measured daily2 instruments

Big BendBBDW3

At a cooperative observer's station/3.0 mi away/827 ft/1 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at East Troy, drawn

The nearest airport reporting now, 7.8 mi from Vernon, Wisconsin. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 5 sheets.

The sky

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

Section of the sky over East Troy, 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 57CFIG. A THE SKY OVER EAST TROYSECTION, 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 MORE0510TITLEEast Troy, the skySTATION REPORT · ASOS 57CTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-57C-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The wind

From the west northwest (290 degrees) at 16 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at East Troy, north up: blowing from 290 degrees, the west northwest, at 16 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 57CFIG. C THE WIND AT EAST TROYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEast Troy, the windSTATION REPORT · ASOS 57CTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-57C-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 834 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.03 inHg and the temperature at 56.0 F; the station's altimeter setting of 29.78 inHg means its barometer reads 28.89 inHg.

Section from sea level of where East Troy stands in the atmosphere, height to scale: the station 834 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.03 inches of mercury, and temperature, 56.0 degrees Fahrenheit; the altimeter setting of 29.78 and the station pressure it means, 28.89.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 57CFIG. D WHERE EAST TROY STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREEAST TROY3 PER CENT OF THE AIR BELOW IT834 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.03 inHgSTANDARD TEMPERATURE HERE56.0 FALTIMETER SETTING, REPORTED29.78 inHgITS BAROMETER READS28.89 inHgTITLEEast Troy, the columnSTATION REPORT · ASOS 57CTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-57C-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of East Troy, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Big Bend (BBDW3), 3.0 miles from here, read 14 Oct, 07:00. measured daily

Elsewhere in Wisconsin

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

Near Vernon

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

Near Vernon

River and lake gauges