Storm Station
Chelsea, Michigan
54°
Clear· Feels like 54°·Light air 3 mph NNE
Patchy fog before 10am. Sunny, with a high near 71. North wind 3 to 8 mph.
-UV
-Air quality
73%Humidity
3%Cloud

What is measuring near here

The 5 instruments nearest Chelsea, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Ann ArborARB

At an airfield/15.7 mi away/823 ft/100 ft below here

temp, wind, gust, visibility, precip, pressure

Rank90of 407

I96Mm1529MC208

Beside a road/23.3 mi away/899 ft/24 ft below here

temp, pavement temp, wind, visibility, precip

Rank-

measured daily2 instruments

ChelseaCHLM4

At a cooperative observer's station/0.3 mi away/932 ft/9 ft above here

snowfall, snow depth, precip, high, low

Rank-

Chelsea 0.4 NEMI-WS-17

In a volunteer observer's own ground/0.4 mi away/917 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Ann Arbor, drawn

The nearest airport reporting now, 15.7 mi from Chelsea. From its report of Sep 27, 2026, 5:53 AM local time: 3 of its 3 sheets.

The column

At 823 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.04 inHg and the temperature at 56.1 F; the station's altimeter setting of 30.08 inHg means its barometer reads 29.20 inHg.

Section from sea level of where Ann Arbor stands in the atmosphere, height to scale: the station 823 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.04 inches of mercury, and temperature, 56.1 degrees Fahrenheit; the altimeter setting of 30.08 and the station pressure it means, 29.20.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARBFIG. D WHERE ANN ARBOR STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREANN ARBOR3 PER CENT OF THE AIR BELOW IT823 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.04 inHgSTANDARD TEMPERATURE HERE56.1 FALTIMETER SETTING, REPORTED30.08 inHgITS BAROMETER READS29.20 inHgTITLEAnn Arbor, the columnSTATION REPORT · ASOS ARBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-09-27IDSR-ARB-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 46 degrees above the horizon at 42.22 N, and the day is 11 h 47 min long. Level ground there takes 72 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Ann Arbor, angles true: on Sep 27 it stands 46 degrees above the horizon, against 71 at the June solstice, 48 at the equinoxes and 24 at the December solstice; the day is 11 h 47 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARBFIG. E THE SUN AT ANN ARBORELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 71°EQUINOXES 48°DECEMBER SOLSTICE 24°SEP 27, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 47 MINLEVEL GROUND TAKES 72 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 42.22 N; THE SUN'S DECLINATION -1.8°TITLEAnn Arbor, the sunSTATION REPORT · ASOS ARBTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-09-27IDSR-ARB-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

An airport station, 823 ft above sea level. Its report of Sep 27, 2026, 5:53 AM local time is written on the sensors that made it.

Elevation of an airport station, Ann Arbor, each sensor drawn and labelled with what it read: barometers, in the shelter, altimeter 30.08 inhg.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ARBFIG. F THE INSTRUMENTELEVATION OF AN AIRPORT STATION, EACH SENSOR WITH WHAT IT READ, SEP 27, 2026, 5:53 AM LOCAL TIMEBAROMETERS, IN THE SHELTERALTIMETER 30.08 inHgHEATED RAIN GAUGE-VISIBILITY SENSOR, 7 FT-BEAMCEILOMETER, LOOKING UP-TEMPERATURE IN ITS SHIELD, 5 FT-WIND, 33 FT-33 FT5 FTHEIGHTS TO SCALE; THE SPACING BETWEEN SENSORS IS NOTTITLEAnn Arbor, the instrumentSTATION REPORT · ASOS ARBTYPEELEVATIONSCALEPARTLY TO SCALEREVAS REPORTED SHEET 3 of 3DATE2026-09-27IDSR-ARB-3DRAWN AS linework on paperSOURCES FB-INS-002, FB-INS-001, FB-INS-009

The full report of Ann Arbor, in 3 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Chelsea (CHLM4), 0.3 miles from here, read 26 Sep, 09:30. measured daily

Elsewhere in Michigan

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

Near Chelsea

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