Storm Station
Sign in

Decatur, Michigan

Village in Van Buren County, Michigan

Air quality

The air at Decatur

Index 16, good, led by ozone. Read at 1 AM from its reporting area, Southwest (MI), 10 miles off.

16Good
  • Fine particles (PM2.5)-24.8 mi
  • Ozone16Good14 ppb14.9 mi

The days ahead

Good each day through Today, led by ozone.

Smoke, the next 43 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Decatur

0.23 in in the last 24 hours, 0.52 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.23in
Last 3 days
0.52in

Visibility

How far you can see at Decatur, the next 43 hours

Mist or haze: visibility falls to 2 miles Fri 11 AM.

FriSat

On the radar over Decatur, MichiganReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 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 now4 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

Rank292of 979

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, Michigan. From its report of Oct 16, 2026, 1:55 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,300 ft, overcast at 1,800 ft; the ceiling is 1,300 ft; visibility 10 mi or more.

Section of the sky over South Haven, height above the station to scale: broken cloud with its base at 1,300 feet, overcast cloud with its base at 1,800 feet, the ceiling at 1,300 feet, and visibility of 10 mi or more.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 SHEETOVC 1,800 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 1,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESouth Haven, the skySTATION REPORT · ASOS LWATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LWA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

60.8 F with a dew point of 57.2 F, 88 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 1,300 ft.

Chart of the air at South Haven: temperature 60.8 degrees Fahrenheit and dew point 57.2, 88 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 1,300 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 STATION01,0002,0003,00050 F60 F70 FSATURATES 800 FT ABOVE THE STATION, AT 56.4 FLOWEST CLOUD REPORTED, BKN 1,300 FTTEMPERATURE 60.8 FDEW POINT 57.2 FSPREAD 3.6 FRELATIVE HUMIDITY 88 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 6DATE2026-10-16IDSR-LWA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (270 degrees) at 13 mph, gusting 21 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 31 mph.

Plan of the wind at South Haven, north up: blowing from 270 degrees, the west, at 13 miles an hour, gusting 21; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, 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 270°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE19GUST, 21 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESouth Haven, the windSTATION REPORT · ASOS LWATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-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

-

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.

Near Decatur

River and lake gauges