Storm Station
Sign in

Marmarth, North Dakota

City in Slope County, North Dakota

Air quality

The air at Marmarth

Index 30, good, led by ozone. Read at 10 PM from its reporting area, Theodore Roosevelt National Park (ND), 49 miles off.

30Good
  • Fine particles (PM2.5)5Good-
  • Ozone30Good-

The days ahead

Yesterday measured 26, good.

Smoke, the next 45 hours

Little smoke near the ground through Sun 6 PM: the index from smoke stays at 6 or under.

SatSun

Precipitation

What has fallen at Marmarth

None in the last 3 days, to Fri 9 PM. 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 Marmarth, the next 45 hours

Visibility stays 10 miles or more through Sun 6 PM.

SatSun

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

What is measuring near here

The 5 instruments nearest Marmarth, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 15.3 miles away.

measured now3 instruments

Bowman US 85 MP 12.2ND020

Beside a road/27.3 mi away/2,911 ft/199 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

BowmanBWW

At an airfield/31.0 mi away/2,935 ft/223 ft above here

temp, wind, gust, visibility, precip, pressure

Rank190of 311

measured daily2 instruments

Rhame 1.9 END-BW-1

In a volunteer observer's own ground/15.3 mi away/3,143 ft/431 ft above here

precip, snowfall, snow depth

Rank-

BowmanBOWN8

At a cooperative observer's station/26.1 mi away/2,966 ft/254 ft above here

snowfall, snow depth, precip, high, low

Rank34of 311

Station report

The weather at Bowman, drawn

The nearest airport reporting now, 31.0 mi from Marmarth, North Dakota. From its report of Oct 16, 2026, 10:35 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 Bowman, 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 BWWFIG. A THE SKY OVER BOWMANSECTION, 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 MORE0510TITLEBowman, the skySTATION REPORT · ASOS BWWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-BWW-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 23.0 F, 52 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,700 ft up.

Chart of the air at Bowman: temperature 39.2 degrees Fahrenheit and dew point 23.0, 52 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BWWFIG. B THE AIR AT BOWMANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00010 F20 F30 F40 F50 FSATURATES 3,700 FT ABOVE THE STATION, AT 19.7 FTEMPERATURE 39.2 FDEW POINT 23.0 FSPREAD 16.2 FRELATIVE HUMIDITY 52 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 POINTTITLEBowman, the airSTATION REPORT · ASOS BWWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-BWW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southwest (200 degrees) at 17 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 29 mph.

Plan of the wind at Bowman, north up: blowing from 200 degrees, the south southwest, at 17 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 BWWFIG. C THE WIND AT BOWMANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 200°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBowman, the windSTATION REPORT · ASOS BWWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-BWW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in North Dakota

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

Near Marmarth

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

Near Marmarth

River and lake gauges