Quams Marina Seaplane Base (99C) Area Aviation Weather & Runway Winds
Aviation weather near Quams Marina Seaplane Base in Stoughton, WI, decoded from the nearest reporting station (KMSN): conditions, runway crosswinds, and free Telegram airport alerts.
Quams Marina Seaplane Base (99C) is a seaplane base in Stoughton, WI. 99C has no weather station of its own. Conditions here are decoded from KMSN, about 12 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (ALL, WAY), longest 15,000 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KMSN. Track it in the ATIS Alerts Telegram bot to get alerts read from KMSN, the station this page is based on.
No weather station at this airport: showing the nearest station KMSN, 11.7 nm away.
Wind calm, visibility 10+ statute miles, no cloud data, temperature 12°C (54°F), altimeter 30.00 inHg. Conditions are Visual Flight Rules (VFR).
METAR KMSN 130653Z AUTO 00000KT 10SM CLR 12/11 A3000 RMK AO2 SLP156 T01220111
What changed at KMSN (nearest station)?
Since the 0553Z (12:53 AM CDT) report, compared automatically against the latest METAR.
- Temperature–dewpoint spread narrowed to 1°C. Watch for fog or low cloud.
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Current pilot readout for 99C
Based on the nearest station (KMSN), 99C is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 600 ft (field elevation 843 ft). Review the latest TAF below for forecast changes before departure.
⚠️ 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 99C 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 99C. 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 |
|---|---|---|---|---|
| ALL | 15,000 ft | WATER | - | - |
| WAY | 15,000 ft | WATER | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 5→0 kt, ceiling unlimited → unlimited.
99C weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Quams Marina Seaplane Base in Stoughton, 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 99C is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
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 99C
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
MWC UA /OV BAE090030/TM 0206/FL360/TP BCS3/TB CONS LGT OCNL MOD
MWC UAHeader: reporting station and UA: a routine pilot report.OV BAE090030Location: fix or navaid, optionally with a radial and distance in NM.TM 0206Reported at 02:06 UTC.FL360Altitude: 36,000 ft MSL.TP BCS3Aircraft type reporting.TB CONS LGT OCNL MODTurbulence: continuous light occasional moderate.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at 99C
From ATIS Alerts' hourly weather history.
Over the past 24 hours, the nearest station KMSN reported mostly VFR across 25 observations, with 2 flight-category changes. The strongest gust reached 15 kt, the lowest ceiling was 2,600 ft. Wind most often came from the NW.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- ALL/WAY
- 100%
TAF | Terminal Aerodrome Forecast
Issued 0529Z (12:29 AM CDT)
TAF KMSN 130529Z 1306/1406 VRB04KT P6SM FEW250 FM131500 35006KT P6SM BKN210 FM132000 30006KT P6SM SCT130 FM140000 VRB04KT P6SM FEW250 FM140400 00000KT P6SM SKC
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We'll message you on Telegram when a new report moves the picture near 99C (Quams Marina Seaplane Base): alerts read from KMSN, the station this page uses.
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Seaplane base
- FAA LID
- 99C
- City
- Stoughton
- State
- Wisconsin
- Country
- United States
- Elevation
- 843 ft
- Coordinates
- 42.9511, -89.2710
- Runways
- 2
- Longest runway
- 15,000 ft
- Weather reporting
- Nearest station KMSN
- TAF
- Nearest KMSN
- Time zone
- America/Chicago
- Next sunset
- 16h 58m
Run a flight school, FBO, or club here? Embed 99C'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
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 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.
- Madison Area Radio Control Society, Inc. - Co Hwy TT , Cottage Grove, WI · 13 mi
- Whitewater RC Flying Club - Jefferson St , Whitewater, WI · 28 mi
- LARCC - Lodi Area Radio Control Club - Hwy J , Lodi, WI · 30 mi
99C weather: frequently asked
What runways are available at 99C?+
99C has 2 runways: ALL, WAY; the longest is 15,000 ft. This page computes the live crosswind for each runway end from the current wind.
Where does the weather shown for 99C come from?+
Quams Marina Seaplane Base does not have its own weather station. Conditions shown here come from the nearest reporting station, KMSN, about 12 nm away, close enough for situational awareness, but local conditions at 99C can differ.
Does 99C have a TAF?+
Yes. The KMSN TAF is shown on this page below the current conditions.
Does 99C broadcast D-ATIS?+
No. 99C does not broadcast D-ATIS. Alerts for 99C from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.
Pilot PIREPs for Quams Marina Seaplane Base (99C)
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 Quams Marina Seaplane Base, 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 99C 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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- Get pinged the moment 99C drops below VFR or a new report moves your numbers.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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