Storm Station
Sign in

Sun Prairie, Wisconsin

City in Dane County, Wisconsin

Air quality

The air at Sun Prairie

Index 18, good, led by ozone. Read at 5 AM from its reporting area, Madison Area (WI), 12 miles off.

18Good
  • Fine particles (PM2.5)14Good-
  • Ozone18Good-
  • Coarse particles (PM10)5Good-

The days ahead

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

Smoke, the next 45 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Sun Prairie

0.61 in in the last 24 hours, 0.70 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.61in
Last 3 days
0.70in

Visibility

How far you can see at Sun Prairie, the next 45 hours

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

FriSat

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

What is measuring near here

The 6 instruments nearest Sun Prairie, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

MadisonMSN

At an airfield/6.3 mi away/856 ft/128 ft below here

temp, wind, gust, visibility, precip, pressure

Rank8of 1,313

I-39 / 90 at Church RdWI087

Beside a road/13.4 mi away/912 ft/72 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Univ FarmARLW3

On a farm or research station/9.9 mi away/1,050 ft/66 ft above here

snowfall, snow depth, precip, high, low

Rank900of 1,313

Station report

The weather at Madison, drawn

The nearest airport reporting now, 6.3 mi from Sun Prairie, Wisconsin. From its report of Oct 16, 2026, 5:33 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,900 ft, overcast at 3,900 ft; the ceiling is 1,900 ft; visibility 10 mi or more.

Section of the sky over Madison, height above the station to scale: broken cloud with its base at 1,900 feet, overcast cloud with its base at 3,900 feet, the ceiling at 1,900 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,900 FTVISIBILITY, 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

49.0 F with a dew point of 44.0 F, 83 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 1,900 ft.

Chart of the air at Madison: temperature 49.0 degrees Fahrenheit and dew point 44.0, 83 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 1,900 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 STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 42.9 FLOWEST CLOUD REPORTED, BKN 1,900 FTTEMPERATURE 49.0 FDEW POINT 44.0 FSPREAD 5.0 FRELATIVE HUMIDITY 83 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 west northwest (290 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Madison, north up: blowing from 290 degrees, the west northwest, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light 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 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE 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 Univ Farm (ARLW3), 9.9 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Wisconsin

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

Near Sun Prairie

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

Near Sun Prairie

River and lake gauges