WxDecoder

1WI1 Weather Williams Airport

Utica, WisconsinElevation 800 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KOSH · 7 NM NE · 45 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 · KOSH
WIND
020@11
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 visibility 10 SM, temperature 14C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 47F, 10% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Showers And Thunderstorms Likely. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 47 NNE 7 kt – 10%
Monday Mostly Cloudy 54/43 NE 9 kt – 10%
Tuesday Partly Sunny 64/51 ESE 10 kt 17 kt 10%
Wednesday Mostly Sunny 71/54 SSW 11 kt – 65%
Thursday Showers And Thunderstorms Likely 69/48 WSW 9 kt – 65% Thunderstorms in the forecast
Friday Chance Rain Showers 67/51 ESE 7 kt – 45%
Saturday Chance Rain Showers 66/51 SSE 9 kt – 48%
Sunday Chance Rain Showers 63 WSW 8 kt – 37%

Source: National Weather Service (office GRB). Forecast issued 0237Z.

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

DC

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
Crosswind calculator
No runway layout is available for 1WI1. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

04/22
Dimensions
2,000 x 150 ft
Surface
TURF
FIELD CONDITIONS

Field elevation

Field elevation
800 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2255Z 5:55 PM
Sunrise
1223Z 7:23 AM
Loggable night
2324Z (6:24 PM local) → 1153Z (6:53 AM local)
end of evening to start of morning civil twilight
Position lights required
2255Z (5:55 PM local) → 1223Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
2355Z (6:55 PM local) → 1123Z (6:23 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

Williams Airport is in Utica, Wisconsin. Field elevation 800 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATA1WI1
RegionWisconsin
CountryUnited States
Coordinates43.9350, -88.7043
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

1WI1 traffic patterns

2026-07-19 to 2026-07-25, 4 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
1.3
AVG OPS/DAY
2
Activity trend over 4 days: falling, from 4 to 1 operations per dayOperations trend (4 days)

Busiest day: Sun · Busiest month: Jul

FLEET MIX
Piston single 80%Turboprop 20%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›P32R (Piston single) · ~2 landings/mo
›AT5T (Turboprop) · ~1 landings/mo
›C172 (Piston single) · ~1 landings/mo
›DHC1 (Piston single) · ~1 landings/mo
›RV10 (Piston single) · ~0 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

1WI1 has no on-field report. Nearest reporting station: KOSH (7 NM NE, VFR).

KOSH Wittman Regional Airport
7 NM NE
VFR
KFLD Fond du Lac County Airport
14 NM SE
VFR
KATW Appleton International Airport
21 NM N
MVFR
KUNU Dodge County Airport
31 NM S
VFR
KSBM Sheboygan County Memorial Airport
38 NM E
IFR
KETB West Bend Municipal Airport
40 NM SE
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗1WI1 on OurAirports
FREQUENTLY ASKED
Does 1WI1 have a METAR?
No on-field METAR is issued for 1WI1. This page uses the nearest reporting station as a reference.
Does 1WI1 have a TAF?
No TAF is issued directly for 1WI1. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 1WI1?
1WI1 sits at 800 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 1WI1?
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.