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St. Peter, Minnesota

City in Nicollet County, Minnesota

Air quality

The air at St. Peter

Index 33, good, led by fine particles. Read at 11 PM from its reporting area, South Central Minnesota (MN), 8 miles off.

33Good
  • Fine particles (PM2.5)33Good-
  • Ozone21Good-

The days ahead

Good each day through Wed Oct 21, led by ozone. Yesterday measured 26, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at St. Peter

0.02 in in the last 24 hours, 0.72 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.72in

Visibility

How far you can see at St. Peter, the next 45 hours

Visibility stays 9 miles or more through Sun 7 PM, lowest 10 miles Sat 3 AM.

SatSun

On the radar over St. Peter, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest St. Peter, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

MankatoMKT

At an airfield/7.9 mi away/1,020 ft/197 ft above here

temp, wind, gust, visibility, precip, pressure

Rank523of 2,026

measured daily2 instruments

Saint Peter 0.3 NEMN-NC-43

In a volunteer observer's own ground/0.2 mi away/789 ft/34 ft below here

precip, snowfall, snow depth

Rank-

St Peter 2 SWSPTM5

At a cooperative observer's station/1.9 mi away/850 ft/27 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mankato, drawn

The nearest airport reporting now, 7.9 mi from St. Peter, Minnesota. From its report of Oct 16, 2026, 10:56 PM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Mankato, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MKTFIG. A THE SKY OVER MANKATOSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMankato, the skySTATION REPORT · ASOS MKTTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-MKT-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.0 F with a dew point of 31.0 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up.

Chart of the air at Mankato: temperature 39.0 degrees Fahrenheit and dew point 31.0, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MKTFIG. B THE AIR AT MANKATOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 1,800 FT ABOVE THE STATION, AT 29.3 FTEMPERATURE 39.0 FDEW POINT 31.0 FSPREAD 8.0 FRELATIVE HUMIDITY 73 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 POINTTITLEMankato, the airSTATION REPORT · ASOS MKTTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-MKT-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 41 mph.

Plan of the wind at Mankato, north up: blowing from 260 degrees, the west, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MKTFIG. C THE WIND AT MANKATOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMankato, the windSTATION REPORT · ASOS MKTTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-MKT-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Minnesota

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

Near St. Peter

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

Near St. Peter

River and lake gauges