Storm Station
Blackhawk, South Dakota
56° 63°/49°
Clear· Feels like 56°·Light air 3 mph NNW
Partly cloudy, with a low around 51. West wind around 5 mph.
0UV Low
32Air quality
54%Humidity
0%Cloud
Now
1:45 AM
56feels56
now, clear
Today
Sep 27
6349
11%
overcast
Mon
Sep 28
7455
53%
19mph
rain light
Tue
Sep 29
7658
33%
overcast
Wed
Sep 30
7454
18mph
overcast
Thu
Oct 1
6345
overcast
Fri
Oct 2
7847
18mph
overcast
Sat
Oct 3
7555
22mph
overcast
56°
63°49°
74°55°
76°58°
74°54°
63°45°
78°47°
75°55°

As of 1:45 AM in Blackhawk, South Dakota.

What is measuring near here

The 5 instruments nearest Blackhawk, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

Rapid City WestRWES2

At a river or reservoir gauge/5.5 mi away/3,678 ft/88 ft above here

temp, wind, gust, humidity, pressure

Rank27of 427

Ellsworth AFBRCA

At an airfield/10.4 mi away/3,207 ft/383 ft below here

temp, wind, gust, visibility, precip, pressure

Rank26of 427

SD RWIS Silver CitySD063

Beside a road/10.6 mi away/4,833 ft/1,243 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Blackhawk 0.1 SWSD-MD-13

In a volunteer observer's own ground/0.2 mi away/3,553 ft/37 ft below here

precip, snowfall, snow depth

Rank-

Rapid City 4NWRACS2

At a cooperative observer's station/2.7 mi away/3,468 ft/122 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Ellsworth AFB, drawn

The nearest airport reporting now, 10.4 mi from Blackhawk. From its report of Sep 27, 2026, 1:20 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 15,000 ft; visibility 1 mi.

Section of the sky over Ellsworth AFB, height above the station to scale: a few clouds cloud with its base at 15,000 feet, and visibility of 1 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCAFIG. A THE SKY OVER ELLSWORTH AFBSECTION, 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 STATION05,00010,00015,00020,00025,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 15,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 1 MI0510TITLEEllsworth AFB, the skySTATION REPORT · ASOS RCATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-RCA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

57.2 F with a dew point of 42.8 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,300 ft up; the lowest cloud reported is at 15,000 ft.

Chart of the air at Ellsworth AFB: temperature 57.2 degrees Fahrenheit and dew point 42.8, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,300 feet above the station, against the lowest cloud reported at 15,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RCAFIG. B THE AIR AT ELLSWORTH AFBTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00030 F40 F50 F60 F70 FSATURATES 3,300 FT ABOVE THE STATION, AT 39.6 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, FEW 15,000 FTTEMPERATURE 57.2 FDEW POINT 42.8 FSPREAD 14.4 FRELATIVE HUMIDITY 59 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 POINTTITLEEllsworth AFB, the airSTATION REPORT · ASOS RCATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-RCA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Ellsworth AFB, 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 RCAFIG. C THE WIND AT ELLSWORTH AFBPLAN, 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 FORCE73TITLEEllsworth AFB, the windSTATION REPORT · ASOS RCATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-RCA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Ellsworth AFB, in 6 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 Blackhawk

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