WxDecoder

4MO5 Weather JJ Gyro Park Airport

Gerald, MissouriElevation 779 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KVIH · 25 NM SW · 50 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KVIH
WIND
130@5
steady
VISIBILITY
10 SM
16.1 km
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. This observation is older than usual, so treat it with extra caution. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 51F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 51 S 2 kt – 1%
Monday Partly Sunny 76/50 S 5 kt – 2%
Tuesday Partly Sunny 76/53 S 5 kt – 1%
Wednesday Sunny 79/56 S 5 kt – 1%
Thursday Sunny 83/57 S 5 kt – 3%
Friday Partly Sunny 80/57 S 4 kt – 20%
Saturday Rain Showers Likely 74/57 S 5 kt – 74%
Sunday Slight Chance Rain Showers 76 W 5 kt – 23%

Source: National Weather Service (office LSX). Forecast issued 0043Z.

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 4MO5. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,200 ft

07/25
Dimensions
1,200 x 25 ft
Surface
Turf (fair)
RWY 07
RWY 25

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

FIELD CONDITIONS

Field elevation

Field elevation
779 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2314Z 6:14 PM
Sunrise
1225Z 7:25 AM
Loggable night
2341Z (6:41 PM local) → 1158Z (6:58 AM local)
end of evening to start of morning civil twilight
Position lights required
2314Z (6:14 PM local) → 1225Z (7:25 AM local)
sunset to sunrise (91.209)
Night passenger currency
0014Z (7:14 PM local) → 1125Z (6:25 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

JJ Gyro Park Airport is in Gerald, Missouri. Field elevation 779 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJEFF JARBOE
Manager phone314-791-0168
CHARTS & AIRSPACE
ICAO / IATA4MO5
SectionalKANSAS CITY
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionMissouri
CountryUnited States
Coordinates38.3801, -91.3457
Distance from city2 NM SW
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

4MO5 has no on-field report. Nearest reporting station: KVIH (25 NM SW, VFR).

KVIH Rolla National Airport
25 NM SW
VFR
KSUS Spirit of St Louis Airport
37 NM NE
VFR
KJEF Jefferson City Memorial Airport
40 NM W
VFR
KCOU Columbia Regional Airport
49 NM NW
VFR
KSTL St. Louis Lambert International Airport
51 NM NE
VFR
KTBN Waynesville-St. Robert Regional Airport-Forney Field
54 NM SW
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4MO5 on OurAirports
FREQUENTLY ASKED
Does 4MO5 have a METAR?
No on-field METAR is issued for 4MO5. This page uses the nearest reporting station as a reference.
Does 4MO5 have a TAF?
No TAF is issued directly for 4MO5. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4MO5?
4MO5 sits at 779 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4MO5?
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.