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Riverdale, Michigan

Community in Gratiot County, Michigan

Air quality

The air at Riverdale

Index 27, good, led by fine particles. Read at 3 AM from its reporting area, Mt Pleasant (MI), 20 miles off.

27Good
  • Fine particles (PM2.5)27Good-
  • Ozone18Good-
  • Coarse particles (PM10)7Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 23, good.

Smoke, the next 41 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Riverdale

0.24 in in the last 24 hours, and none in the 2 days before, to Fri 3 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.24in

Visibility

How far you can see at Riverdale, the next 41 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 5 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Riverdale, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.6 miles away.

measured now4 instruments

Alma [CCOOP]ALMM4

At a river or reservoir gauge/8.5 mi away/768 ft/24 ft below here

temp, wind, gust, humidity, pressure

Rank220of 979

AlmaAMN

At an airfield/8.6 mi away/754 ft/38 ft below here

temp, wind, gust, visibility, precip, pressure

Rank250of 979

M46Mm0711MC145

Beside a road/12.6 mi away/945 ft/153 ft above here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

Mount PleasantMTPM4

At a cooperative observer's station/14.2 mi away/794 ft/2 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Alma, drawn

The nearest airport reporting now, 8.6 mi from Riverdale, Michigan. From its report of Oct 16, 2026, 3:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 800 ft; the ceiling is 800 ft; visibility 3 mi.

Section of the sky over Alma, height above the station to scale: overcast cloud with its base at 800 feet, the ceiling at 800 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AMNFIG. A THE SKY OVER ALMASECTION, 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 800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 800 FTVISIBILITY, MILES: 3 MI0510TITLEAlma, the skySTATION REPORT · ASOS AMNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-AMN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

59.0 F with a dew point of 59.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 800 ft.

Chart of the air at Alma: temperature 59.0 degrees Fahrenheit and dew point 59.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AMNFIG. B THE AIR AT ALMATHE 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 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 800 FTTEMPERATURE AND DEW POINT 59.0 F, 59.0 FRELATIVE HUMIDITY 100 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 POINTTITLEAlma, the airSTATION REPORT · ASOS AMNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-AMN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (260 degrees) at 12 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Alma, north up: blowing from 260 degrees, the west, at 12 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AMNFIG. C THE WIND AT ALMAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 260°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAlma, the windSTATION REPORT · ASOS AMNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-AMN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Alma, 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 Riverdale

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

Near Riverdale

River and lake gauges