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De Kalb, Missouri

Town in Buchanan County, Missouri

Air quality

The air at De Kalb

Index 20, good, led by ozone. Read at 1 AM from its reporting area, St. Joseph (MO), 26 miles off.

20Good
  • Fine particles (PM2.5)17Good11.2 mi
  • Ozone20Good24 ppb20.3 mi
  • Coarse particles (PM10)17Good11.2 mi

The days ahead

Yesterday measured 20, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at De Kalb

0.02 in in the last 24 hours, 0.14 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.14in

Visibility

How far you can see at De Kalb, the next 42 hours

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

FriSat

On the radar over De Kalb, MissouriReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest De Kalb, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.8 miles away.

measured now3 instruments

St. JosephSTJ

At an airfield/12.8 mi away/810 ft/333 ft below here

temp, wind, gust, visibility, precip, pressure

Rank229of 1,014

measured daily2 instruments

St. Joseph 4.3 SSWMO-BC-7

In a volunteer observer's own ground/8.8 mi away/853 ft/290 ft below here

precip, snowfall, snow depth

Rank-

Cosby 2WCSBM7

At a cooperative observer's station/21.8 mi away/932 ft/211 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at St. Joseph, drawn

The nearest airport reporting now, 12.8 mi from De Kalb, Missouri. From its report of Oct 16, 2026, 1:53 AM 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 St. Joseph, 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 STJFIG. A THE SKY OVER ST. JOSEPHSECTION, 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 MORE0510TITLESt. Joseph, the skySTATION REPORT · ASOS STJTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-STJ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

48.0 F with a dew point of 36.0 F, 63 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up.

Chart of the air at St. Joseph: temperature 48.0 degrees Fahrenheit and dew point 36.0, 63 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT STJFIG. B THE AIR AT ST. JOSEPHTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00020 F30 F40 F50 F60 FSATURATES 2,700 FT ABOVE THE STATION, AT 33.4 FTEMPERATURE 48.0 FDEW POINT 36.0 FSPREAD 12.0 FRELATIVE HUMIDITY 63 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 POINTTITLESt. Joseph, the airSTATION REPORT · ASOS STJTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-STJ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at St. Joseph, north up: blowing from 310 degrees, the northwest, at 12 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 STJFIG. C THE WIND AT ST. JOSEPHPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESt. Joseph, the windSTATION REPORT · ASOS STJTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-STJ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Missouri

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

Near De Kalb

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

Near De Kalb

River and lake gauges