66MO

Ahlers Acres Airport

Foristell, MissouriElevation 660 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KSUS · 17 NM SE · 23 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
ACTIVE NWS ALERTS

Active weather alerts

Extreme Heat WarningSevere · Expected · Likely
26 1922Z to 28 0200Z
Madison; St. Clair; Monroe; St. Charles; St. Louis; St. Louis City; Jefferson
* WHAT...Dangerously hot conditions with heat index values up to 121. * WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until 9 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. People in the Saint Louis Metropolitan Area can get information about cooling centers or energy assistance related to the excessive heat by calling the United Way of Greater Saint Louis at 800-427-4626, or if calling from a land line phone dial 2-1-1. You can also call Cool Down Saint Louis at 314-241-7668.

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

OFF-FIELD REFERENCE · KSUS
WIND
Calm
no steady wind
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 9 SM, temperature 27C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight partly cloudy, low near 78F, 5% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Friday: Chance Rain Showers. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Partly Cloudy 78 SW 3 kt 5%
Monday Sunny 97/79 SW 7 kt 14%
Tuesday Mostly Sunny 92/70 N 6 kt 7%
Wednesday Sunny 88/67 E 4 kt 5%
Thursday Sunny 90/70 E 3 kt 32%
Friday Chance Rain Showers 84/68 S 6 kt 51% Thunderstorms in the forecast
Saturday Chance Rain Showers 83/67 NE 6 kt 36%
Sunday Sunny 85 N 5 kt 10%

Source: National Weather Service (office LSX). Forecast issued 0416Z.

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 66MO. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 900 ft

18/36
Dimensions
900 x 75 ft
Surface
Turf
RWY 18
RWY 36

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
660 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0120Z 8:20 PM
Sunrise
1100Z 6:00 AM
Loggable night
0150Z (8:50 PM local) → 1030Z (5:30 AM local)
end of evening to start of morning civil twilight
Position lights required
0120Z (8:20 PM local) → 1100Z (6:00 AM local)
sunset to sunrise (91.209)
Night passenger currency
0220Z (9:20 PM local) → 1000Z (5:00 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

Ahlers Acres Airport is in Foristell, Missouri. Field elevation 660 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerZACK RETHLAKE
Manager phone612-220-8059
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATA66MO
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionMissouri
CountryUnited States
Coordinates38.8320, -90.9512
Distance from city1 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

66MO has no on-field report. Nearest reporting station: KSUS (17 NM SE, VFR).

AIRPORT REMARKS

Operational remarks

OWNER DESIRES ARPT NOT BE CHARTED.
FOR CD CTC ST LOUIS APCH AT 314-890-1018.
PRVDD 20:1 APCH TO EACH RY AND 7:1 TRANSITIONAL SLOPE.
FREQUENTLY ASKED
Does 66MO have a METAR?
No on-field METAR is issued for 66MO. This page uses the nearest reporting station as a reference.
Does 66MO have a TAF?
No TAF is issued directly for 66MO. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 66MO?
66MO sits at 660 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 66MO?
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.