Storm Station
Long Lake, South Dakota
60°
Partly cloudy· Feels like 60°·Light breeze 5 mph SE
A slight chance of rain showers after 9am. Partly sunny, with a high near 68. North northeast wind around 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
90%Humidity
59%Cloud

What is measuring near here

The 5 instruments nearest Long Lake, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now3 instruments

Sd RWIS EurekaSD524

Beside a road/9.8 mi away/1,942 ft/14 ft below here

temp, pavement temp, wind, visibility, precip

Rank331of 427

Sand Lake RAWSLLKS2

A remote fire weather station/9.8 mi away/2,011 ft/55 ft above here

temp, wind, gust, humidity, pressure

Rank28of 427

Aberdeen 35 WNW54933

At a climate reference station/11.0 mi away/1,957 ft/1 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Long Lake 3.1 WSWSD-MP-9

In a volunteer observer's own ground/3.0 mi away/1,948 ft/8 ft below here

precip, snowfall, snow depth

Rank-

LeolaABNS2

At a cooperative observer's station/10.8 mi away/1,939 ft/17 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sd RWIS Eureka, drawn

The nearest instrument reporting now, 9.8 mi from Long Lake. From its report of Sep 27, 2026, 7:29 AM local time: 3 of its 5 sheets.

The air

52.7 F with a dew point of 51.3 F, 95 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 300 ft up.

Chart of the air at Sd RWIS Eureka: temperature 52.7 degrees Fahrenheit and dew point 51.3, 95 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SD524FIG. B THE AIR AT SD RWIS EUREKATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATES 300 FT ABOVE THE STATION, AT 50.9 FTEMPERATURE AND DEW POINT 52.7 F, 51.3 FRELATIVE HUMIDITY 95 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 POINTTITLESd RWIS Eureka, the airSTATION REPORT · RWIS SD524TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-SD524-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northeast (28 degrees) at 6 mph, gusting 10 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 13 mph.

Plan of the wind at Sd RWIS Eureka, north up: blowing from 28 degrees, the north northeast, at 6 miles an hour, gusting 10; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SD524FIG. C THE WIND AT SD RWIS EUREKAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 28°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE8GUST, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESd RWIS Eureka, the windSTATION REPORT · RWIS SD524TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-SD524-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,942 ft above sea level, 7 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.88 inHg and the temperature at 52.1 F; it reports 52.7 F, 0.6 F warmer than standard.

Section from sea level of where Sd RWIS Eureka stands in the atmosphere, height to scale: the station 1,942 feet above sea level with 7 per cent of the air below it; the standard atmosphere's pressure there, 27.88 inches of mercury, and temperature, 52.1 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SD524FIG. D WHERE SD RWIS EUREKA STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERESD RWIS EUREKA7 PER CENT OF THE AIR BELOW IT1,942 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE27.88 inHgSTANDARD TEMPERATURE HERE52.1 FTEMPERATURE, REPORTED52.7 FTITLESd RWIS Eureka, the columnSTATION REPORT · RWIS SD524TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-SD524-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Sd RWIS Eureka, in 5 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in South Dakota

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

Near Long Lake

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