Storm Station
Mountainburg, Arkansas
68°
Light rain· Feels like 68°·Light breeze 4 mph E
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 83. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
78%Humidity
76%Cloud

What is measuring near here

The 5 instruments nearest Mountainburg, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

I-49 Bobby Hopper Tunnel SiteARD24

Beside a road/10.0 mi away/1,496 ft/759 ft above here

temp, pavement temp, wind, visibility, precip

Rank305of 344

Strickler - RAWSSTKA4

A remote fire weather station/17.8 mi away/1,667 ft/930 ft above here

temp, wind, gust, humidity, pressure

Rank126of 344

Fort Smith MuniFSM

At an airfield/23.3 mi away/463 ft/274 ft below here

temp, wind, gust, visibility, precip, pressure

Rank1of 344

measured daily2 instruments

Water PlantMTBA4

At a cooperative observer's station/1.5 mi away/794 ft/57 ft above here

snowfall, snow depth, precip, high, low

Rank-

Mountainburg 4.3 NAR-CF-12

In a volunteer observer's own ground/4.5 mi away/1,673 ft/936 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Fort Smith Muni, drawn

The nearest airport reporting now, 23.3 mi from Mountainburg. From its report of Sep 27, 2026, 5:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 3,500 ft, overcast at 10,000 ft; the ceiling is 10,000 ft; visibility 10 mi or more.

Section of the sky over Fort Smith Muni, height above the station to scale: a few clouds cloud with its base at 3,500 feet, overcast cloud with its base at 10,000 feet, the ceiling at 10,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSMFIG. A THE SKY OVER FORT SMITH MUNISECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 10,000 FTOVERCAST, 8 EIGHTHS OF THE SKYFEW 3,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 10,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Smith Muni, the skySTATION REPORT · ASOS FSMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-FSM-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

73.0 F with a dew point of 65.0 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,900 ft up; the lowest cloud reported is at 3,500 ft.

Chart of the air at Fort Smith Muni: temperature 73.0 degrees Fahrenheit and dew point 65.0, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,900 feet above the station, against the lowest cloud reported at 3,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FSMFIG. B THE AIR AT FORT SMITH MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00050 F60 F70 F80 FSATURATES 1,900 FT ABOVE THE STATION, AT 63.1 FLOWEST CLOUD REPORTED, FEW 3,500 FTTEMPERATURE 73.0 FDEW POINT 65.0 FSPREAD 8.0 FRELATIVE HUMIDITY 76 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 POINTTITLEFort Smith Muni, the airSTATION REPORT · ASOS FSMTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-FSM-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (40 degrees) at 13 mph: force 4, a moderate breeze on the Beaufort scale.

Plan of the wind at Fort Smith Muni, north up: blowing from 40 degrees, the northeast, at 13 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 FSMFIG. C THE WIND AT FORT SMITH MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 40°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Smith Muni, the windSTATION REPORT · ASOS FSMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-FSM-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Smith Muni, 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 Mountainburg

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