IS45 Weather Mast Field

Quincy, IllinoisElevation 738 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KUIN · 7 NM E · 52 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 · KUIN
WIND
150@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 from 150° at 5 kt, visibility 10 SM, temperature 17C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly cloudy, low near 54F, 1% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
Thursday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Cloudy 54 S 3 kt – 1%
Monday Partly Sunny 76/53 S 4 kt – 3%
Tuesday Partly Sunny 75/57 S 7 kt – 10%
Wednesday Mostly Sunny 78/60 S 8 kt – 10%
Thursday Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 81/60 SW 7 kt – 25% Thunderstorms in the forecast
Friday Chance Rain Showers 79/60 S 7 kt – 32%
Saturday Rain Showers Likely 74/59 S 7 kt – 62%
Sunday Slight Chance Rain Showers 73 W 6 kt – 21%

Source: National Weather Service (office LSX). Forecast issued 0246Z.

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 IS45. Enter a runway number or heading to estimate wind components.
FIELD CONDITIONS

Field elevation

Field elevation
738 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2311Z 6:11 PM
Sunrise
1227Z 7:27 AM
Loggable night
2339Z (6:39 PM local) → 1159Z (6:59 AM local)
end of evening to start of morning civil twilight
Position lights required
2311Z (6:11 PM local) → 1227Z (7:27 AM local)
sunset to sunrise (91.209)
Night passenger currency
0011Z (7:11 PM local) → 1127Z (6:27 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

Mast Field is in Quincy, Illinois. Field elevation 738 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeSmall airport
CHARTS & AIRSPACE
ICAO / IATAIS45
RegionIllinois
CountryUnited States
Coordinates39.9767, -91.3340
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

IS45 has no on-field report. Nearest reporting station: KUIN (7 NM E, VFR).

FREQUENTLY ASKED
Does IS45 have a METAR?
No on-field METAR is issued for IS45. This page uses the nearest reporting station as a reference.
Does IS45 have a TAF?
No TAF is issued directly for IS45. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at IS45?
IS45 sits at 738 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for IS45?
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.