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Caledonia, Minnesota

City in Houston County, Minnesota

Air quality

The air at Caledonia

Index 15, good, led by ozone. Read at 7 AM from its reporting area, Mississippi River Valley (MN), 34 miles off.

15Good
  • Ozone15Good-

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 15, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Caledonia

0.97 in in the last 24 hours, and none in the 2 days before, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.97in
Last 3 days
0.97in

Visibility

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

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

FriSat

On the radar over Caledonia, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Caledonia, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

Caledonia 0.6 ENEMN-HS-26

In a volunteer observer's own ground/0.4 mi away/1,176 ft/5 ft below here

precip, snowfall, snow depth

Rank-

CaledoniaCLDM5

At a cooperative observer's station/0.4 mi away/1,148 ft/33 ft below here

snowfall, snow depth, precip, high, low

Rank1,236of 1,965

Station report

The weather at Winona Muni, drawn

The nearest airport reporting now, 32.4 mi from Caledonia, Minnesota. From its report of Oct 16, 2026, 6:55 AM local time: 3 of its 6 sheets.

The sky

Scattered at 1,400 ft, overcast at 2,100 ft; the ceiling is 2,100 ft; visibility 10 mi or more.

Section of the sky over Winona Muni, height above the station to scale: scattered cloud with its base at 1,400 feet, overcast cloud with its base at 2,100 feet, the ceiling at 2,100 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ONAFIG. A THE SKY OVER WINONA MUNISECTION, 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 STATION05001,0001,5002,0002,5003,0003,500ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,100 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 1,400 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 2,100 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEWinona Muni, the skySTATION REPORT · ASOS ONATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-ONA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 44.6 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 1,400 ft.

Chart of the air at Winona Muni: temperature 46.4 degrees Fahrenheit and dew point 44.6, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station, against the lowest cloud reported at 1,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ONAFIG. B THE AIR AT WINONA MUNITHE 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 400 FT ABOVE THE STATION, AT 44.1 FLOWEST CLOUD REPORTED, SCT 1,400 FTTEMPERATURE AND DEW POINT 46.4 F, 44.6 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 POINTTITLEWinona Muni, the airSTATION REPORT · ASOS ONATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-ONA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 14 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Winona Muni, north up: blowing from 310 degrees, the northwest, at 14 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ONAFIG. C THE WIND AT WINONA MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWinona Muni, the windSTATION REPORT · ASOS ONATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-ONA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Caledonia (CLDM5), 0.4 miles from here, read 16 Oct, 06:00. measured daily

Elsewhere in Minnesota

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

Near Caledonia

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

Near Caledonia

River and lake gauges