WxDecoder

IA85 Weather Tuinstra Airfield

Indianola, IowaElevation 900 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KDSM · 8 NM NW · 7 min old
Ceiling 30,000 ft, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KDSM
WIND
040@6
steady
VISIBILITY
10 SM
16.1 km
CEILING
30,000 ft
lowest BKN/OVC
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 from 40° at 7 kt, visibility 10 SM, temperature 16C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 53F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 53 NE 5 kt – 1%
Monday Mostly Cloudy 72/56 ENE 7 kt – 4%
Tuesday Mostly Cloudy then Slight Chance Rain Showers 73/57 S 10 kt – 17%
Wednesday Slight Chance Rain Showers 76/60 SSW 12 kt – 65%
Thursday Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 75/59 SSW 6 kt – 65% Thunderstorms in the forecast
Friday Chance Showers And Thunderstorms 75/59 S 10 kt – 55%
Saturday Rain Showers Likely 70/56 S 8 kt – 65%
Sunday Mostly Cloudy 69 WNW 6 kt – 14%

Source: National Weather Service (office DMX). Forecast issued 0401Z.

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 IA85. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,200 ft

11/29
Dimensions
1,200 x 75 ft
Surface
Turf
RWY 11
RWY 29

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
900 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2318Z 6:18 PM
Sunrise
1238Z 7:38 AM
Loggable night
2346Z (6:46 PM local) → 1210Z (7:10 AM local)
end of evening to start of morning civil twilight
Position lights required
2318Z (6:18 PM local) → 1238Z (7:38 AM local)
sunset to sunrise (91.209)
Night passenger currency
0018Z (7:18 PM local) → 1138Z (6:38 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

Tuinstra Airfield is in Indianola, Iowa. Field elevation 900 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerJ. LUCIAN TUINSTRA
Manager phone515-961-6240
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAIA85
Center (ARTCC)MINNEAPOLIS
Flight service (AFSS)FORT DODGE
RegionIowa
CountryUnited States
Coordinates41.4351, -93.5405
Distance from city6 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

IA85 traffic patterns

2026-09-08 to 2026-09-08, 1 days observed · data 2026-10-23

Insufficient 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
Turboprop 100%

Mostly turboprop aircraft.

TOP AIRCRAFT TYPES
›AT6T (Turboprop) · ~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

IA85 has no on-field report. Nearest reporting station: KDSM (8 NM NW, VFR).

KDSM Des Moines International Airport
8 NM NW
VFR
KTNU Newton Municipal Airport
27 NM NE
VFR
KAMW Ames Municipal Airport
34 NM N
VFR
KPRO Perry Municipal Airport
36 NM NW
VFR
KBNW Boone Municipal Airport
39 NM N
VFR
KCSQ Creston Municipal Airport
45 NM SW
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
›OWNER DESIRES ARPT NOT BE CHARTED.
›PRVDD A CLEAR APCH TO EA RY FOR A 20:1 GLIDE SLOPE & A CLEAR TRANSITIONAL SFC FOR A 7:1 SLOPE.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗IA85 on OurAirports
FREQUENTLY ASKED
Does IA85 have a METAR?
No on-field METAR is issued for IA85. This page uses the nearest reporting station as a reference.
Does IA85 have a TAF?
No TAF is issued directly for IA85. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at IA85?
IA85 sits at 900 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for IA85?
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.