Storm Station
Sign in

Federal Dam, Minnesota

City in Cass County, Minnesota

Air quality

The air at Federal Dam

Index 21, good, led by fine particles. Read at 12 AM from its reporting area, Central Minnesota (MN), 48 miles off.

21Good
  • Fine particles (PM2.5)21Good20.9 mi
  • Ozone19Good-

The days ahead

Good each day through Sun Oct 18, led by ozone. Yesterday measured 19, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Federal Dam

0.13 in in the last 24 hours, and none in the 2 days before, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.13in
Last 3 days
0.13in

Visibility

How far you can see at Federal Dam, the next 43 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 1 AM.

FriSat

On the radar over Federal Dam, MinnesotaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Federal Dam, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now4 instruments

measured daily2 instruments

Federal Dam 0.3 SMN-CS-25

In a volunteer observer's own ground/0.6 mi away/1,335 ft/21 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Longville, drawn

The nearest airport reporting now, 17.6 mi from Federal Dam, Minnesota. From its report of Oct 16, 2026, 12:54 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,200 ft, overcast at 1,700 ft; the ceiling is 1,200 ft; visibility 3 mi.

Section of the sky over Longville, height above the station to scale: broken cloud with its base at 1,200 feet, overcast cloud with its base at 1,700 feet, the ceiling at 1,200 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XVGFIG. A THE SKY OVER LONGVILLESECTION, 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 SHEETOVC 1,700 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,200 FTVISIBILITY, MILES: 3 MI0510TITLELongville, the skySTATION REPORT · ASOS XVGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-XVG-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 42.8 F, 87 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 1,200 ft.

Chart of the air at Longville: temperature 46.4 degrees Fahrenheit and dew point 42.8, 87 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 1,200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XVGFIG. B THE AIR AT LONGVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 41.9 FLOWEST CLOUD REPORTED, BKN 1,200 FTTEMPERATURE 46.4 FDEW POINT 42.8 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLELongville, the airSTATION REPORT · ASOS XVGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-XVG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 15 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Longville, north up: blowing from 330 degrees, the north northwest, at 15 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT XVGFIG. C THE WIND AT LONGVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 15 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELongville, the windSTATION REPORT · ASOS XVGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-XVG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Federal Dam 3WNW - Leech Lake (FEDM5), 0.4 miles from here, read 15 Oct, 08:00. measured daily

Elsewhere in Minnesota

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

Near Federal Dam

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

Near Federal Dam

River and lake gauges