US-4218 Weather Mynning Airport

Chelsea, MichiganElevation 948 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KARB · 11 NM E · 25 min old
No ceiling.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KARB
WIND
Calm
no steady wind
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 10C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy then patchy fog, low near 45F, 2% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy then Patchy Fog 45 SW 2 kt – 2%
Monday Patchy Fog then Mostly Sunny 68/42 NNW 5 kt – 3%
Tuesday Partly Sunny 63/45 E 8 kt – 0%
Wednesday Partly Sunny 70/51 S 6 kt – 1%
Thursday Mostly Sunny then Slight Chance Light Rain 74/52 SW 10 kt – 15%
Friday Partly Sunny 72/52 SW 5 kt – 16%
Saturday Slight Chance Light Rain 69/54 S 6 kt – 24%
Sunday Chance Light Rain 66 S 7 kt – 48%

Source: National Weather Service (office DTX). Forecast issued 0117Z.

Radar

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

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for US-4218. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
948 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2239Z 6:39 PM
Sunrise
1201Z 8:01 AM
Loggable night
2308Z (7:08 PM local) → 1132Z (7:32 AM local)
end of evening to start of morning civil twilight
Position lights required
2239Z (6:39 PM local) → 1201Z (8:01 AM local)
sunset to sunrise (91.209)
Night passenger currency
2339Z (7:39 PM local) → 1101Z (7:01 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

Mynning Airport is in Chelsea, Michigan. Field elevation 948 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAUS-4218
RegionMichigan
CountryUnited States
Coordinates42.2335, -84.0017
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

US-4218 traffic patterns

2026-07-01 to 2026-09-29, 3 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1
AVG OPS/DAY
2
Operations trend (1 days)

Busiest day: Tue · Busiest month: Sep

FLEET MIX
Piston single 100%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C152 (Piston single) · ~1 landings/mo
›GLAS (Piston single) · ~1 landings/mo
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

US-4218 has no on-field report. Nearest reporting station: KARB (11 NM E, UNKNOWN).

FREQUENTLY ASKED
Does US-4218 have a METAR?
No on-field METAR is issued for US-4218. This page uses the nearest reporting station as a reference.
Does US-4218 have a TAF?
No TAF is issued directly for US-4218. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4218?
US-4218 sits at 948 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4218?
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.