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Portal, North Dakota

City in Burke County, North Dakota

Air quality

The air at Portal

Index 0, good, led by nitrogen dioxide. Read at 11 PM from the monitors near it.

0Good
  • Fine particles (PM2.5)-25 mi
  • Ozone-22 ppb25 mi
  • Nitrogen dioxide0Good0 ppb25 mi
  • Sulfur dioxide0Good0 ppb25 mi

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Portal

None in the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

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

Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 4 AM.

FriSat

On the radar over Portal, North DakotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Portal, 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

Lima1LN

At an airfield/19.0 mi away/1,962 ft/5 ft above here

temp, wind, gust, visibility, precip, pressure

Rank233of 312

measured daily2 instruments

Flaxton 3.2 NNEND-BK-2

In a volunteer observer's own ground/8.8 mi away/1,934 ft/23 ft below here

precip, snowfall, snow depth

Rank-

Nd Northgate 5 ESENGTN8

At a cooperative observer's station/17.3 mi away/1,834 ft/123 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Lima, drawn

The nearest airport reporting now, 19.0 mi from Portal, North Dakota. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,900 ft; the ceiling is 2,900 ft; visibility 10 mi or more.

Section of the sky over Lima, height above the station to scale: overcast cloud with its base at 2,900 feet, the ceiling at 2,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1LNFIG. A THE SKY OVER LIMASECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLELima, the skySTATION REPORT · ASOS 1LNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-1LN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

39.7 F with a dew point of 34.0 F, 80 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,300 ft up; the lowest cloud reported is at 2,900 ft.

Chart of the air at Lima: temperature 39.7 degrees Fahrenheit and dew point 34.0, 80 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,300 feet above the station, against the lowest cloud reported at 2,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1LNFIG. B THE AIR AT LIMATHE 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 FSATURATES 1,300 FT ABOVE THE STATION, AT 32.7 FLOWEST CLOUD REPORTED, OVC 2,900 FTTEMPERATURE 39.7 FDEW POINT 34.0 FSPREAD 5.7 FRELATIVE HUMIDITY 80 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 POINTTITLELima, the airSTATION REPORT · ASOS 1LNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-1LN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Lima, north up: blowing from 320 degrees, the northwest, at 10 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 1LNFIG. C THE WIND AT LIMAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELima, the windSTATION REPORT · ASOS 1LNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-1LN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in North Dakota

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

Near Portal

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

Near Portal

River and lake gauges