Storm Station
Sparta, Michigan
45° 74°/39°
Clear· Feels like 45°·Light air 3 mph NNW
Mostly clear, with a low around 45. North northeast wind around 2 mph.
0UV Low
-Air quality
85%Humidity
5%Cloud
Now
4:15 AM
45feels45
now, clear
Today
Sep 27
7439
overcast
Mon
Sep 28
7648
overcast
Tue
Sep 29
7753
overcast
Wed
Sep 30
7759
37%
drizzle light
Thu
Oct 1
7456
51%
17mph
drizzle
Fri
Oct 2
6444
30%
13mph
overcast
Sat
Oct 3
6639
22%
overcast
45°
74°39°
76°48°
77°53°
77°59°
74°56°
64°44°
66°39°

As of 4:15 AM in Sparta, Michigan.

What is measuring near here

The 5 instruments nearest Sparta, 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

Sparta8D4

At an airfield/2.6 mi away/748 ft/11 ft below here

temp, wind, gust, visibility, precip, pressure

Rank29of 407

US131Mm0946MC152

Beside a road/6.2 mi away/781 ft/22 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Sparta 0.3 NEMI-KN-121

In a volunteer observer's own ground/0.2 mi away/761 ft/2 ft above here

precip, snowfall, snow depth

Rank-

RockfordRFDM4

At a cooperative observer's station/7.9 mi away/713 ft/46 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Sparta, drawn

The nearest airport reporting now, 2.6 mi from Sparta. From its report of Sep 27, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Sparta, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D4FIG. A THE SKY OVER SPARTASECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESparta, the skySTATION REPORT · ASOS 8D4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-8D4-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

42.8 F with a dew point of 41.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Sparta: temperature 42.8 degrees Fahrenheit and dew point 41.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D4FIG. B THE AIR AT SPARTATHE 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 FSATURATES 400 FT ABOVE THE STATION, AT 40.5 FTEMPERATURE AND DEW POINT 42.8 F, 41.0 FRELATIVE HUMIDITY 93 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 POINTTITLESparta, the airSTATION REPORT · ASOS 8D4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-8D4-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

At 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Sparta, north up: at 1 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 8D4FIG. C THE WIND AT SPARTAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESparta, the windSTATION REPORT · ASOS 8D4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-8D4-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Michigan

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

Near Sparta

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