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Circle T Airport (WS77) Area Aviation Weather & Runway Winds

As of 2:22 PM CDT, Oct 28, based on the nearest station (KROS), WS77 is currently VFR with winds from 180° at 9 knots, visibility 10+ statute miles, and a 4,700 ft ceiling.

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

Circle T Airport (WS77) is a general aviation airport serving pilots in and around Grantsburg, WI at a field elevation of 895 ft. WS77 has no weather station of its own. Conditions here are decoded from KROS, about 11 nm away, the nearest reporting station, and local conditions can differ. It has one runway (09/27), the longest 2,215 ft. The nearest TAF is issued for KRNH.

Ask ATIS AIAsk anything about WS77's weather, runways or delays, or search another airport.
VFR
Observed 1922Z (2:22 PM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KROS, 11.2 nm away.

Wind
180° 9 kt
Visibility
10+ sm
Ceiling
4,700 ft
Altimeter
29.89"
Temp / Dew
63°F / 17°C
dew 55°F / 13°C

Wind from the south (180°) at 9 kt, visibility 10+ statute miles, scattered clouds at 4,100 ft, broken clouds at 4,700 ft, broken clouds at 6,000 ft, temperature 17°C (63°F), altimeter 29.89 inHg. Conditions are Visual Flight Rules (VFR), ceiling 4,700 ft.

Raw METAR
METAR KROS 281922Z AUTO 18009KT 10SM SCT041 BKN047 BKN060 17/13 A2989 RMK AO2

What changed at KROS (nearest station)?

Since the 1903Z (2:03 PM CDT) report, compared automatically against the latest METAR.

No significant changes since the 1903Z (2:03 PM CDT) report, conditions are holding steady.

Current pilot readout for WS77

Based on the nearest station (KROS), WS77 is currently VFR with winds from 180° at 9 knots, visibility 10+ statute miles, and a 4,700 ft ceiling. Density altitude is approximately 1,400 ft (field elevation 895 ft). WS77 does not publish a TAF. The nearest TAF station is KRNH, about 33 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
09FAV0 kt head9 kt right
270 kt head9 kt left

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

WS77 runways

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

  • Runway 09/27
    2,215 × 96 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at WS77
    Wind
    09
    0 kt headwind · 9 kt crosswind from right
    27
    0 kt headwind · 9 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
061220Z07Z19Z

Over the last 23 h: wind 8→9 kt, ceiling 600 ft → 4,700 ft.

WS77 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 WS77

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

PIREP1912Z (2:12 PM CDT) · 70 NM N of WS77 · 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 WS77 · 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) · 69 NM W of WS77 · 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) · 68 NM N of WS77 · 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) · 70 NM N of WS77 · 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) · 95 NM W of WS77 · 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) · 70 NM SE of WS77 · 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) · 70 NM N of WS77 · 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 WS77

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KROS reported a mix of conditions, most often marginal VFR across 61 observations, with 14 flight-category changes. The lowest ceiling was 200 ft. Wind most often came from the S.

Last 24 hours
VFR 10%MVFR 48%IFR 16%LIFR 26%
Wind avg/max: 4/9 kt
Max gust: -
Lowest ceiling: 200 ft
Lowest vis: -
Prevailing wind: S
Category changes: 14

Most recent change: IFR → VFR

Last 7 days
VFR 75%MVFR 17%IFR 3%LIFR 5%
Wind avg/max: 4/15 kt
Max gust: 20 kt
Lowest ceiling: 200 ft
Lowest vis: 1 sm
Prevailing wind: SE
Category changes: 15

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.

09
66%
27
34%

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No live weather from WS77

Live crosswind meter

WS77 has no weather feed online, so the wind comes from KROS, 11 nm away.

N09279 kt
Headwind
0 kt
Crosswind (from the right)
9 kt

Wind is 90° off runway 09, the end with the most headwind right now.

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Turf · 2,215 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Circle T Airport (WS77)
N ↑

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

Airport info

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
WS77
City
Grantsburg
State
Wisconsin
Country
United States
Elevation
895 ft
Coordinates
45.6840, -92.6871
Runways
1 physical runway · 2 runway ends
Longest runway
2,215 ft
Weather reporting
Nearest station KROS
TAF
Nearest KRNH
Time zone
America/Chicago
Sunset in
3h 24m

Run a flight school, FBO, or club here? Embed WS77's live status on your website, free →

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.

All RC flying fields →

See all Wisconsin airports →

Pilot PIREPs for Circle T Airport (WS77)

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 Circle T 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 WS77 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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