Circle T Airport (WS77) Area Aviation Weather & Runway Winds
Aviation weather near Circle T Airport in Grantsburg, WI, decoded from the nearest reporting station (KROS) — conditions, runway crosswinds, and free Telegram airport alerts.
Circle T Airport (WS77) is a general aviation airport serving pilots in and around Grantsburg, WI at 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. Its 2 runways (09, 27) — longest 2,215 ft — are checked against the current wind in the crosswind table below. The nearest TAF is issued for KRNH. Track it in the ATIS Alerts Telegram bot to get alerts read from KROS, the station this page is based on.
No weather station at this airport — showing the nearest station KROS, 11.2 nm away.
Wind calm, visibility 10+ statute miles, no cloud data, temperature 20°C (67°F), altimeter 29.95 inHg. Conditions are Visual Flight Rules (VFR).
METAR KROS 290515Z AUTO 00000KT 10SM CLR 20/19 A2995 RMK AO2 T01950185
What changed at KROS (nearest station)?
Since the 0455Z (11:55 PM CDT) report — compared automatically against the latest METAR.
No significant changes since the 0455Z report — conditions are holding steady.
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Current pilot readout for WS77
Based on the nearest station (KROS), WS77 is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 1,600 ft (field elevation 895 ft). WS77 does not publish a TAF — the nearest TAF station is KRNH, about 33 nm away.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Track WS77 free on TelegramRunway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at WS77. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm — calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 09 | 2,215 ft | TURF | — | — |
| 27 | 2,215 ft | TURF | — | — |
Open the crosswind calculator — try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 24 h: wind 0→0 kt, ceiling unlimited → unlimited.
WS77 weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast — drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Circle T Airport in Grantsburg, WI: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around WS77 is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © OpenStreetMap © CARTO
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of WS77
Reported by pilots in flight over the past 6 hours — via aviationweather.gov.
Show raw report
HCD UA /OV HCD/TM 0131/FL160/TP A321/SK UNKN-TOP220/TB NEG/RM DURD ON TORGY
HCD UAHeader — reporting station and UA: a routine pilot report.OV HCDLocation — fix or navaid, optionally with a radial and distance in NM.TM 0131Reported at 01:31 UTC.FL160Altitude: 16,000 ft MSL.TP A321Aircraft type reporting.SK UNKN-TOP220Sky condition — cloud bases and tops in hundreds of feet MSL.TB NEGTurbulence: none reported.RM DURD ON TORGYRemarks.⚠️ 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 mostly VFR across 72 observations, with 6 flight-category changes. The lowest ceiling was 2,200 ft. Wind most often came from the NE.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 09/27
- 100%
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Airport facts
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
- 2
- Longest runway
- 2,215 ft
- Weather reporting
- Nearest station KROS
- TAF
- Nearest KRNH
- Time zone
- America/Chicago
- Next sunset
- 20h 16m
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.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
7 airports+1 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport — live wind, crosswind & flyability on each page.
- Minneapolis Model Aero Club - 420th St — Harris, MN · 15 mi
- St Croix Valley Radio Control Club - Olympic Trl — Lindstrom, MN · 25 mi
WS77 weather — frequently asked
What runways are available at WS77?+
WS77 has 2 runways — 09, 27; the longest is 2,215 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for WS77 come from?+
Circle T Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KROS, about 11 nm away — close enough for situational awareness, but local conditions at WS77 can differ.
Does WS77 have a TAF?+
No — WS77 does not publish its own TAF. The nearest TAF station is KRNH, about 33 nm away.
Does WS77 broadcast D-ATIS?+
No — WS77 does not broadcast D-ATIS. Alerts for WS77 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Circle T Airport (WS77)
Community-submittedCommunity-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.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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