KPHN/PHN METAR St Clair County International Airport

Port Huron, MichiganElevation 650 ftSmall airport

CURRENT STATUS

LIFR18 min old

Ceiling 100 ft, visibility 3/4 SM, mist.

FLIGHT CATEGORY

LIFR

ceiling & visibility

WIND

250@2

steady

VISIBILITY

3/4 SM

1.2 km

CEILING

100 ft

lowest BKN/OVC

DENSITY ALT

-1,400 ft

-2,050 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Dense Fog AdvisoryModerate · Expected · Likely

25 0703Z to 25 1400Z

Sanilac; Shiawassee; Genesee; Lapeer; St. Clair; Livingston; Oakland; Macomb; Washtenaw; Wayne; Lenawee; Monroe

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of southeast Michigan. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility makes driving conditions hazardous. * ADDITIONAL DETAILS...Fog expands northward and eastward from the Ohio border, I-94, and I-96 corridors across metro Detroit and toward I-69 and the Lake Huron shoreline during the morning.

If driving, slow down, use low beam headlights, and leave plenty of distance between vehicles.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

CURRENT METAR

Decoded observation

Observed 0935Z (5:35 AM local) · 18 min old

KPHN is currently LIFR. Winds are from the west at 2 knots. Visibility is 3/4 statute mile. The ceiling is 100 feet AGL. Reported weather: mist. Main concerns: Ceiling 100 ft AGL. Visibility 0.75 SM.

WIND

250° at 2 kt

Steady.

VISIBILITY

3/4 statute miles

1.2 km, very low (LIFR).

CEILING & SKY

Ceiling 100 ft

Lowest broken or overcast layer.

TEMP / DEWPOINT

1°C / 1°C

34°F / 34°F. 0°C spread.

ALTIMETER

30.46 inHg

1031.5 hPa, above standard.

WEATHER & HAZARDS

BR, LOW CIG, LOW VIS

Mist reported.

Codes in this report: AUTO BR OVC RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

VIS

unrecognized remark group

M1/4V5

unrecognized remark group

FAA: no delays reported at PHN.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Severe

›Conditions are LIFR.

›Low ceiling: 100 ft AGL.

›Low visibility: 0.75 SM.

›Mist reported.

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category LIFR, wind from 250° at 2 kt, visibility 0.75 SM, ceiling 100 ft. Forecast suggests sunday areas of fog then partly sunny, high near 67F, low near 44F, 3% chance of precipitation. Key risks: low visibility.

PILOT WEATHER NOTES

Low visibilityMETAR

Visibility 0.75 SM. Conditions may be unsuitable for VFR; review IFR options and alternates.

Day	Conditions	Temp F	Wind	Gusts	Precip
Sunday	Areas Of Fog then Partly Sunny	67/44	SSW 5 kt	–	3%
Monday	Patchy Fog then Partly Sunny	61/38	NNW 6 kt	–	3%
Tuesday	Partly Sunny	58/37	E 4 kt	–	0%
Wednesday	Mostly Sunny	67/49	SSE 6 kt	–	5%
Thursday	Chance Light Rain	70/46	SW 9 kt	–	29%
Friday	Mostly Sunny	67/49	NW 6 kt	–	6%
Saturday	Mostly Cloudy then Slight Chance Light Rain	69	S 8 kt	–	15%

Source: National Weather Service (office DTX). Forecast issued 0952Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

OUR HEADSET PICK · NOT SPONSORED

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise canceling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark

RUNWAYS & WIND

2 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

250° at 2 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 282 kt headwind · 1 kt crosswind

RUNWAYS BY WIND · best end

HEAD

2 kt

CROSS

1 kt L

BEST

HEAD

2 kt

CROSS

1 kt R

HEAD

2 kt tail

CROSS

1 kt L

HEAD

2 kt tail

CROSS

1 kt R

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

2 runways · longest 5,104 ft

04/22

Dimensions

5,104 x 100 ft

Surface

Asphalt (good)

Edge lights

HIGH

RWY 0436°T

ILSILS

Approach lightsMALSR

VGSIPAPI (P4L)

Traffic patternLeft

RWY 22216°T

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

10/28

Dimensions

4,000 x 75 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 1095°T

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

RWY 28275°T

REILYes

VGSIPAPI (P4L)

Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

-1,400 ft

Pressure altitude

110 ft

Field elevation

650 ft MSL

Temperature

1°C (34°F)

Dewpoint

1°C (34°F)

Altimeter

30.46 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2233Z 6:33 PM

Sunrise

1155Z 7:55 AM

Loggable night

2302Z (7:02 PM local) → 1126Z (7:26 AM local)

end of evening to start of morning civil twilight

Position lights required

2233Z (6:33 PM local) → 1155Z (7:55 AM local)

sunset to sunrise (91.209)

Night passenger currency

2333Z (7:33 PM local) → 1055Z (6:55 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

St Clair County International Airport is in Port Huron, Michigan. Field elevation 650 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerCATHERINE FIORE

Manager phone810-364-6890

AttendedDaily, 0800–1700

CHARTS & AIRSPACE

ICAO / IATAKPHN / PHN

SectionalDETROIT

Center (ARTCC)CLEVELAND

Flight service (AFSS)LANSING

CustomsAirport of entry

RegionMichigan

CountryUnited States

Coordinates42.9110, -82.5289

Distance from city5 NM SW

SERVICES & LIGHTING

FuelJet A+

Control towerNon-towered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

CTAF123.050

UNICOM123.050

FREQUENCIES

Communications

119.6

SELFRIDGE APP/DEP

A/D

118.375

AWOS 3

AWOS

123.05

CTAF/UNICOM

UNIC

123.050

CTAF

123.050

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KPHN traffic patterns

2026-06-15 to 2026-10-23, 54 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

9.8

AVG OPS/DAY

15.4

Operations trend (18 days)

Busiest day: Fri · Busiest month: Sep

FLEET MIX

Piston single 61%Unknown 18%Jet 10%Twin 5%Helicopter 4%Turboprop 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›P28A (Piston single) · ~33 landings/mo

›UNKN (Unknown) · ~13 landings/mo

›C172 (Piston single) · ~7 landings/mo

›C182 (Piston single) · ~6 landings/mo

›PA11 (Unknown) · ~6 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›P28A (Piston single)

›UNKN (Unknown)

›C182 (Piston single)

›C172 (Piston single)

›RS21 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

CYZR Chris Hadfield Airport

11 NM NE

MVFR

KMTC Selfridge Air National Guard Base Airport

22 NM SW

MVFR

CYCK Chatham Kent Airport

41 NM SE

VFR

KPTK Oakland County International Airport

42 NM W

LIFR

CYQG Windsor International Airport

43 NM SW

LIFR

KCFS Tuscola Area Airport

52 NM NW

VFR

AIRPORT REMARKS

Operational remarks

›DEER & LRG BIRDS ON & INVOF ARPT.

›UNATNDD MAJOR HOLS.

›COML & CORPORATE LDG FEE WAIVED WITH FUEL PURCHASE.

›ACTVT MALSR RWY 04; REIL RWY 22, 10, & 28; PAPI RWY 10 & 28; HIRL RWY 04/22; MIRL RWY 10/28 - CTAF. PAPI RWY 04 & 22 OPR CONSLY.

›TSATLC FLTS MUST NTFY US CUST AT 810-985-9541 ONE HR PRIOR TO ENTRY INTO THE US. NTFY US DEPT OF AGRICULTURE AT 810-985-6126 & AMGR 24 HRS PRIOR FOR DISPOSAL OF ACFT INTL TRASH.

›FOR CD CTC SELFRIDGE APCH AT 586-239-5706, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0224/0490.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KPHN on OurAirports

FREQUENTLY ASKED

Does KPHN have a METAR?

Yes. KPHN has a current METAR observation, decoded into plain English on this page.

Does KPHN have a TAF?

When KPHN issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.

What is the field elevation at KPHN?

KPHN sits at 650 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KPHN?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.