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Grantsburg Municipal Airport (KGTG) Area Aviation Weather & Runway Winds

As of 2:35 PM CDT, Oct 28, based on the nearest station (KRZN), KGTG is currently VFR with winds from 170° at 11 knots, visibility 10+ statute miles, and a 9,000 ft ceiling.

Aviation weather near Grantsburg Municipal Airport in Grantsburg, WI, decoded from the nearest reporting station (KRZN): conditions and runway crosswinds.

Grantsburg Municipal Airport (KGTG) is a general aviation airport serving pilots in and around Grantsburg, WI at a field elevation of 927 ft. KGTG has no weather station of its own. Conditions here are decoded from KRZN, about 12 nm away, the nearest reporting station, and local conditions can differ. It has 2 physical runways (05/23, 12/30), the longest 3,280 ft. CTAF is 122.9.

Ask ATIS AIAsk anything about KGTG's weather, runways or delays, or search another airport.
VFR
Observed 1935Z (2:35 PM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KRZN, 12.3 nm away.

Wind
170° 11 kt
Visibility
10+ sm
Ceiling
9,000 ft
Altimeter
29.89"
Temp / Dew
71°F / 22°C
dew 55°F / 13°C

Wind from the south (170°) at 11 kt, visibility 10+ statute miles, scattered clouds at 4,400 ft, scattered clouds at 5,000 ft, broken clouds at 9,000 ft, temperature 22°C (71°F), altimeter 29.89 inHg. Conditions are Visual Flight Rules (VFR), ceiling 9,000 ft.

Raw METAR
METAR KRZN 281935Z AUTO 17011KT 10SM SCT044 SCT050 BKN090 22/13 A2989 RMK AO2 T02150125

What changed at KRZN (nearest station)?

Since the 1915Z (2:15 PM CDT) report, compared automatically against the latest METAR.

  • Gusts are no longer reported.

Current pilot readout for KGTG

Based on the nearest station (KRZN), KGTG is currently VFR with winds from 170° at 11 knots, visibility 10+ statute miles, and a 9,000 ft ceiling. the wind favors southeast-facing runway ends (12). Density altitude is approximately 1,950 ft (field elevation 927 ft). KGTG does not publish a TAF. The nearest TAF station is KRNH, about 39 nm away.

New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →

Runway wind check

Estimated head/tailwind and crosswind for each runway end from the current reported wind.

RunwayHead / TailCrosswind
12FAV7 kt head8 kt right
234 kt head10 kt left
054 kt tail10 kt right
307 kt tail8 kt left

Open the crosswind calculator to try your own wind and runway numbers →

KGTG runways

2 physical runways · 4 runway ends. Each card opens the runway's intelligence page: equipment and lighting, LAHSO, frequencies, today's configuration, predicted use, history and approaches.

  • Runway 05/23
    3,280 × 120 ft · GRS
    Status not monitored
    Current use
    no stated-runway source at KGTG
    Wind
    05
    4 kt tailwind · 10 kt crosswind from right
    23
    4 kt headwind · 10 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →
  • Runway 12/30
    2,999 × 60 ft · ASP
    Status not monitored
    Current use
    no stated-runway source at KGTG
    Wind
    12
    7 kt headwind · 8 kt crosswind from right
    30
    7 kt tailwind · 8 kt crosswind from left
    no active equipment NOTAM receivedView Runway Intelligence →

“Current use” is what the facilitystates; wind components are arithmetic on the current METAR against TRUE headings; status reflects NOTAMs received through SWIM, the tower's TFDM record and the D-ATIS — a runway reads “Open” only with a complete NOTAM picture.

24-hour trend

Wind, ceiling and flight category over the last 24 hours.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0102019Z07Z19Z

Over the last 24 h: wind 6→11 kt, ceiling 1,200 ft → 9,000 ft.

KGTG weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Loading…
Loading radar…

Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap

NOAA NEXRAD composite and lightning, updated about every five minutes; amber frames are HRRR model guidance, not observed radar. Not for navigation.

Pilot reports (PIREPs) within 100 NM of KGTG

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP1912Z (2:12 PM CDT) · 63 NM N of KGTG · during descent · CRJ2
Show raw report
DLH UA /OV DLH/TM 1912/FLDURD/TP CRJ2/SK T070 B100 AGL
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1912Reported at 19:12 UTC.
FLDURDReported during descent.
TP CRJ2Aircraft type reporting.
SK T070 B100 AGLSky condition: cloud bases and tops in hundreds of feet MSL.
PIREP1902Z (2:02 PM CDT) · 71 NM W of KGTG · during climb · CRJ7
occasional light 320 turbulence
Show raw report
LXL UA /OV LXL/TM 1902/FL320/TP CRJ7/TB OCNL LGT 320/RM DURC
LXL UAHeader: reporting station and UA: a routine pilot report.
OV LXLLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1902Reported at 19:02 UTC.
FL320Altitude: 32,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB OCNL LGT 320Turbulence: occasional light 320.
RM DURCRemarks.
PIREP1854Z (1:54 PM CDT) · 68 NM W of KGTG · 25,000 ft MSL · C56X
continuous light turbulencelight rime icing
Show raw report
STC UA /OV STC340030/TM 1854/FL250/TP C56X/TA M24/TB CONS LGT/IC LGT RIME
STC UAHeader: reporting station and UA: a routine pilot report.
OV STC340030Location: fix or navaid, optionally with a radial and distance in NM.
TM 1854Reported at 18:54 UTC.
FL250Altitude: 25,000 ft MSL.
TP C56XAircraft type reporting.
TA M24Outside air temperature, °C.
TB CONS LGTTurbulence: continuous light.
IC LGT RIMEIcing: light rime.
PIREP1847Z (1:47 PM CDT) · 61 NM N of KGTG · during climb · SF50
Show raw report
DLH UA /OV 4 SE DLH/TM 1847/FL040/TP SF50/SK T040/RM DURC
DLH UAHeader: reporting station and UA: a routine pilot report.
OV 4 SE DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1847Reported at 18:47 UTC.
FL040Altitude: 4,000 ft MSL.
TP SF50Aircraft type reporting.
SK T040Sky condition: cloud bases and tops in hundreds of feet MSL.
RM DURCRemarks.
PIREP1807Z (1:07 PM CDT) · 63 NM N of KGTG · during descent · SR22
Show raw report
DLH UA /OV DLH/TM 1807/FLDURD/TP SR22/SK OVC003 T033
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1807Reported at 18:07 UTC.
FLDURDReported during descent.
TP SR22Aircraft type reporting.
SK OVC003 T033Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP1803Z (1:03 PM CDT) · 94 NM W of KGTG · during climb · E75L
Show raw report
AXN UA /OV AXN045020/TM 1803/FL230/TP E75L/IC NEG BLO 230/RM DURC
AXN UAHeader: reporting station and UA: a routine pilot report.
OV AXN045020Location: fix or navaid, optionally with a radial and distance in NM.
TM 1803Reported at 18:03 UTC.
FL230Altitude: 23,000 ft MSL.
TP E75LAircraft type reporting.
IC NEG BLO 230Icing: none reported blo 230.
RM DURCRemarks.
PIREP1756Z (12:56 PM CDT) · 74 NM SE of KGTG · 4,000 ft MSL · CRJ2
Show raw report
EAU UA /OV EAU/TM 1756/FL040/TP CRJ2/SK SKC/TA UNKN/IC NEG
EAU UAHeader: reporting station and UA: a routine pilot report.
OV EAULocation: fix or navaid, optionally with a radial and distance in NM.
TM 1756Reported at 17:56 UTC.
FL040Altitude: 4,000 ft MSL.
TP CRJ2Aircraft type reporting.
SK SKCSky condition: cloud bases and tops in hundreds of feet MSL.
TA UNKNOutside air temperature, °C.
IC NEGIcing: none reported.
PIREP1735Z (12:35 PM CDT) · 63 NM N of KGTG · during descent · SR22
Show raw report
DLH UA /OV DLH/TM 1735/FLDURD/TP SR22/SK B017
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1735Reported at 17:35 UTC.
FLDURDReported during descent.
TP SR22Aircraft type reporting.
SK B017Sky condition: cloud bases and tops in hundreds of feet MSL.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at KGTG

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KRZN reported mostly marginal VFR across 72 observations, with 5 flight-category changes. The strongest gust reached 17 kt, the lowest ceiling was 600 ft. Wind most often came from the S.

Last 24 hours
VFR 11%MVFR 68%IFR 21%
Wind avg/max: 4/13 kt
Max gust: 17 kt
Lowest ceiling: 600 ft
Lowest vis: -
Prevailing wind: S
Category changes: 5

Most recent change: MVFR → VFR

Last 7 days
VFR 76%MVFR 17%IFR 7%
Wind avg/max: 4/17 kt
Max gust: 22 kt
Lowest ceiling: 500 ft
Lowest vis: 3 sm
Prevailing wind: S
Category changes: 9

Most recent change: MVFR → VFR

Wind-favored runway - past 30 days

Share of hours each runway had the most headwind. From wind reports, not ATC assignments.

12
33%
23
33%
30
19%
05
15%

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No live weather from KGTG

Live crosswind meter

KGTG has no weather feed online, so the wind comes from KRZN, 12 nm away.

N123011 kt
Headwind
7 kt
Crosswind (from the right)
8 kt

Wind is 49° off runway 12, the end with the most headwind right now.

Have a weather station at KGTG? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Asphalt · 2,999 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Grantsburg Municipal Airport (KGTG) with runway 05/23, 12/30 marked
N ↑

Runway 05/23, 12/30 drawn from FAA threshold coordinates.

Imagery: USGS The National Map (public domain). Something off? ✏️ Suggest an edit

Airport info

From the FAA airport record (cycle 2026-10-01) and OurAirports.

Services

Attended
Unattended
Transient parking
Tie-downs
Landing fee
No
Control tower
None
Wind indicator
Lighted

Airport

Type
General aviation airport
ICAO
KGTG
IATA
GTG
FAA LID
GTG
City
Grantsburg
State
Wisconsin
Country
United States
Elevation
927 ft
Coordinates
45.7981, -92.6644
Runways
2 physical runways · 4 runway ends
Longest runway
3,280 ft
Weather reporting
Nearest station KRZN
TAF
Nearest KRNH
CTAF
122.9 MHz
Time zone
America/Chicago
Sunset in
3h 21m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

VFRMVFRIFRLIFRNo report

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

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Pilot PIREPs for Grantsburg Municipal Airport (KGTG)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Grantsburg Municipal Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.

⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.

No Pilot PIREPs have been submitted for KGTG yet. Recently flew here? Help the next pilot by leaving a quick airport note.

Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.

⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.

Spotted incorrect airport info? ✏️ Suggest an edit

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