Storm Station
Decatur, Michigan
43° 69°/42°
Clear· Feels like 42°·Light air 3 mph NNE
Mostly clear. Low around 44, with temperatures rising to around 46 overnight. Northeast wind around 2 mph.
0UV Low
-Air quality
83%Humidity
0%Cloud
Now
4:15 AM
43feels42
now, clear
Today
Sep 27
6942
overcast
Mon
Sep 28
7247
overcast
Tue
Sep 29
7554
overcast
Wed
Sep 30
7759
32%
14mph
overcast
Thu
Oct 1
7661
52%
16mph
showers light
Fri
Oct 2
6147
37%
13mph
overcast
Sat
Oct 3
6642
24%
overcast
43°
69°42°
72°47°
75°54°
77°59°
76°61°
61°47°
66°42°

As of 4:15 AM in Decatur, Michigan.

What is measuring near here

The 5 instruments nearest Decatur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.2 miles away.

measured now3 instruments

I94Mm0538MC163

Beside a road/6.0 mi away/781 ft/7 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

South HavenLWA

At an airfield/22.1 mi away/666 ft/122 ft below here

temp, wind, gust, visibility, precip, pressure

Rank29of 407

measured daily2 instruments

Paw Paw 4.5 SWMI-VB-1

In a volunteer observer's own ground/4.2 mi away/746 ft/42 ft below here

precip, snowfall, snow depth

Rank-

DowagiacDWGM4

At a cooperative observer's station/11.8 mi away/741 ft/47 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at South Haven, drawn

The nearest airport reporting now, 22.1 mi from Decatur. From its report of Sep 27, 2026, 4:15 AM local time: 3 of its 6 sheets.

The sky

Sky obscured at 500 ft; the ceiling is 500 ft; visibility 3/4 mi.

Section of the sky over South Haven, height above the station to scale: sky obscured cloud with its base at 500 feet, the ceiling at 500 feet, and visibility of 3/4 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LWAFIG. A THE SKY OVER SOUTH HAVENSECTION, 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 SHEETVV 500 FTSKY OBSCURED, 8 EIGHTHS OF THE SKYCEILING 500 FTVISIBILITY, MILES: 3/4 MI0510TITLESouth Haven, the skySTATION REPORT · ASOS LWATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-LWA-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

44.6 F with a dew point of 42.8 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up; the lowest cloud reported is at 500 ft.

Chart of the air at South Haven: temperature 44.6 degrees Fahrenheit and dew point 42.8, 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, against the lowest cloud reported at 500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LWAFIG. B THE AIR AT SOUTH HAVENTHE 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 400 FT ABOVE THE STATION, AT 42.3 FLOWEST CLOUD REPORTED, VV 500 FTTEMPERATURE AND DEW POINT 44.6 F, 42.8 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 POINTTITLESouth Haven, the airSTATION REPORT · ASOS LWATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-LWA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (80 degrees) at 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at South Haven, north up: blowing from 80 degrees, the east, 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 LWAFIG. C THE WIND AT SOUTH HAVENPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 80°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESouth Haven, the windSTATION REPORT · ASOS LWATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-LWA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of South Haven, 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 Decatur

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