Storm Station
Sign in

Prairie du Sac, Wisconsin

Village in Sauk County, Wisconsin

Air quality

The air at Prairie du Sac

Index 22, good, led by fine particles. Read at 7 AM from its reporting area, Madison Area (WI), 22 miles off.

22Good
  • Fine particles (PM2.5)22Good10.4 mi
  • Ozone18Good-
  • Coarse particles (PM10)9Good10.4 mi

The days ahead

Good each day through Sat Oct 17, led by ozone. Yesterday measured 18, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Prairie du Sac

1.05 in in the last 24 hours, 1.15 in over the last 3 days, to Fri 7 AM. Measured by radar and rain gauges, as water.

Last 24 hours
1.05in
Last 3 days
1.15in

Visibility

How far you can see at Prairie du Sac, the next 42 hours

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

FriSat

On the radar over Prairie du Sac, WisconsinReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Prairie du Sac, 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

Devils Lake Near Baraboo05404500

At a river or reservoir gauge/9.4 mi away/955 ft/175 ft above here

temp, wind, gust, humidity, pressure

Rank-

Citizen station EW0200EW0200

In a volunteer observer's own ground/10.1 mi away/871 ft/91 ft above here

temp, humidity, wind, precip, pressure

Rank-

MiddletonC29

At an airfield/15.8 mi away/925 ft/145 ft above here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Prairie Du Sac 0.6 SSEWI-SK-28

In a volunteer observer's own ground/0.7 mi away/774 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Sauk CitySACW3

At a cooperative observer's station/2.1 mi away/735 ft/45 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Middleton, drawn

The nearest airport reporting now, 15.8 mi from Prairie du Sac, Wisconsin. From its report of Oct 16, 2026, 7:35 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,000 ft, overcast at 1,400 ft; the ceiling is 1,000 ft; visibility 7 mi.

Section of the sky over Middleton, height above the station to scale: broken cloud with its base at 1,000 feet, overcast cloud with its base at 1,400 feet, the ceiling at 1,000 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C29FIG. A THE SKY OVER MIDDLETONSECTION, 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 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,000 FTVISIBILITY, MILES: 7 MI0510TITLEMiddleton, the skySTATION REPORT · ASOS C29TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-C29-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

47.5 F with a dew point of 45.5 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 1,000 ft.

Chart of the air at Middleton: temperature 47.5 degrees Fahrenheit and dew point 45.5, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 1,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT C29FIG. B THE AIR AT MIDDLETONTHE 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 500 FT ABOVE THE STATION, AT 45.1 FLOWEST CLOUD REPORTED, BKN 1,000 FTTEMPERATURE AND DEW POINT 47.5 F, 45.5 FRELATIVE HUMIDITY 93 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 POINTTITLEMiddleton, the airSTATION REPORT · ASOS C29TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-C29-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 29 mph.

Plan of the wind at Middleton, north up: blowing from 290 degrees, the west 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 C29FIG. C THE WIND AT MIDDLETONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMiddleton, the windSTATION REPORT · ASOS C29TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-C29-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Wisconsin

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

Near Prairie du Sac

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

Near Prairie du Sac

River and lake gauges