Storm Station
Mammoth Spring, Arkansas
64°
Partly cloudy· Feels like 64°·Light air 2 mph E
Partly cloudy, with a low around 57. North wind around 1 mph.
-UV
-Air quality
78%Humidity
66%Cloud

What is measuring near here

The 5 instruments nearest Mammoth Spring, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now3 instruments

Mammoth SpringMMSA4

At a river or reservoir gauge/0.7 mi away/545 ft/81 ft below here

temp, wind, gust, humidity, pressure

Rank96of 344

Melbourne42A

At an airfield/33.1 mi away/741 ft/115 ft above here

temp, wind, gust, visibility, precip, pressure

Rank249of 344

U.S 63 Hwy. Black Rock RiverARD28

Beside a road/36.8 mi away/266 ft/360 ft below here

temp, pavement temp, wind, visibility, precip

Rank266of 344

measured daily2 instruments

Mammoth SpringMMMA4

At a cooperative observer's station/0.6 mi away/502 ft/124 ft below here

snowfall, snow depth, precip, high, low

Rank-

Cherokee Village 1.2 EAR-SH-1

In a volunteer observer's own ground/13.6 mi away/501 ft/125 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Melbourne, drawn

The nearest airport reporting now, 33.1 mi from Mammoth Spring. From its report of Sep 27, 2026, 3:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 2,500 ft; the ceiling is 2,500 ft; visibility 10 mi or more.

Section of the sky over Melbourne, height above the station to scale: overcast cloud with its base at 2,500 feet, the ceiling at 2,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 42AFIG. A THE SKY OVER MELBOURNESECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 2,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 2,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMelbourne, the skySTATION REPORT · ASOS 42ATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-42A-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

60.8 F with a dew point of 57.2 F, 88 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 2,500 ft.

Chart of the air at Melbourne: temperature 60.8 degrees Fahrenheit and dew point 57.2, 88 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 2,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 42AFIG. B THE AIR AT MELBOURNETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 FSATURATES 800 FT ABOVE THE STATION, AT 56.3 FLOWEST CLOUD REPORTED, OVC 2,500 FTTEMPERATURE 60.8 FDEW POINT 57.2 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 POINTTITLEMelbourne, the airSTATION REPORT · ASOS 42ATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-42A-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Melbourne, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 42AFIG. C THE WIND AT MELBOURNEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMelbourne, the windSTATION REPORT · ASOS 42ATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-42A-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Arkansas

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

Near Mammoth Spring

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