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St. Charles, Michigan

Village in Saginaw County, Michigan

Air quality

The air at St. Charles

Index 26, good, led by fine particles. Read at 2 AM from its reporting area, Flint (MI), 31 miles off.

26Good
  • Fine particles (PM2.5)26Good22.5 mi
  • Ozone19Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 29, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at St. Charles

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

Last 24 hours
0.30in
Last 3 days
0.30in

Visibility

How far you can see at St. Charles, the next 42 hours

Visibility stays 7 miles or more through Sat 8 PM, lowest 8 miles Fri 3 AM.

FriSat

On the radar over St. Charles, MichiganReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest St. Charles, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.6 miles away.

measured now4 instruments

SaginawMBS

At an airfield/16.3 mi away/663 ft/69 ft above here

temp, wind, gust, visibility, precip, pressure

Rank19of 979

Alma [CCOOP]ALMM4

At a river or reservoir gauge/26.9 mi away/768 ft/174 ft above here

temp, wind, gust, humidity, pressure

Rank220of 979

measured daily2 instruments

St. Charles 2.3 WMI-SG-23

In a volunteer observer's own ground/2.6 mi away/605 ft/11 ft above here

precip, snowfall, snow depth

Rank-

ChesaningCHSM4

At a cooperative observer's station/6.1 mi away/614 ft/20 ft above here

snowfall, snow depth, precip, high, low

Rank749of 979

Station report

The weather at Saginaw, drawn

The nearest airport reporting now, 16.3 mi from St. Charles, Michigan. From its report of Oct 16, 2026, 3:02 AM local time: 3 of its 6 sheets.

The sky

Overcast at 300 ft; the ceiling is 300 ft; visibility 3 mi.

Section of the sky over Saginaw, height above the station to scale: overcast cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBSFIG. A THE SKY OVER SAGINAWSECTION, 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 300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 3 MI0510TITLESaginaw, the skySTATION REPORT · ASOS MBSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MBS-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 56.0 F, 96 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 300 ft.

Chart of the air at Saginaw: temperature 57.0 degrees Fahrenheit and dew point 56.0, 96 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBSFIG. B THE AIR AT SAGINAWTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 200 FT ABOVE THE STATION, AT 55.7 FLOWEST CLOUD REPORTED, OVC 300 FTTEMPERATURE AND DEW POINT 57.0 F, 56.0 FRELATIVE HUMIDITY 96 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 POINTTITLESaginaw, the airSTATION REPORT · ASOS MBSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MBS-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at Saginaw, north up: blowing from 250 degrees, the west southwest, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBSFIG. C THE WIND AT SAGINAWPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESaginaw, the windSTATION REPORT · ASOS MBSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MBS-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Saginaw, 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 St. Charles

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

Near St. Charles

River and lake gauges