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Larson Airport (WI91) Area Aviation Weather & Runway Winds

As of 4:45 PM CDT, Oct 28, based on the nearest station (KATW), WI91 is currently VFR with winds from 170° at 9 knots, visibility 10+ statute miles, and no ceiling reported.

Aviation weather near Larson Airport in Larsen, WI, decoded from the nearest reporting station (KATW): conditions and runway crosswinds.

Larson Airport (WI91) is a general aviation airport serving pilots in and around Larsen, WI at a field elevation of 800 ft. WI91 has no weather station of its own. Conditions here are decoded from KATW, about 6 nm away, the nearest reporting station, and local conditions can differ. It has one runway (18/36), the longest 2,300 ft. The nearest TAF is issued for KGRB.

Ask ATIS AIAsk anything about WI91's weather, runways or delays, or search another airport.
VFR
Observed 2145Z (4:45 PM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KATW, 6.2 nm away.

Wind
170° 9 kt
Visibility
10+ sm
Ceiling
Unlimited
Altimeter
30.03"
Temp / Dew
72°F / 22°C
dew 54°F / 12°C

Wind from the south (170°) at 9 kt, visibility 10+ statute miles, scattered clouds at 12,000 ft, temperature 22°C (72°F), altimeter 30.03 inHg. Conditions are Visual Flight Rules (VFR).

Raw METAR
METAR KATW 282145Z 17009KT 10SM SCT120 22/12 A3003

What changed at KATW (nearest station)?

Since the 2045Z (3:45 PM CDT) report, compared automatically against the latest METAR.

  • Pressure falling: altimeter 30.05 → 30.03 inHg.

Current pilot readout for WI91

Based on the nearest station (KATW), WI91 is currently VFR with winds from 170° at 9 knots, visibility 10+ statute miles, and no ceiling reported. the wind favors south-facing runway ends (18). Density altitude is approximately 1,700 ft (field elevation 800 ft). Review the latest TAF below for forecast changes before departure.

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
18FAV9 kt head1 kt left
369 kt tail2 kt right

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

WI91 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 18/36
    2,300 × 100 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at WI91
    Wind
    18
    9 kt headwind · 1 kt crosswind from left
    36
    9 kt tailwind · 2 kt crosswind from right
    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
061222Z08Z21Z

Over the last 23 h: wind 7→9 kt, ceiling 9,000 ft → unlimited.

WI91 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 WI91

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

PIREP1635Z (11:35 AM CDT) · 56 NM NW of WI91 · 8,000 ft MSL · E170
Show raw report
CWA UA /OV CWA/TM 1635/FL080/TP E170/SK BASE 080 TOP 090/TA 1/IC NEG
CWA UAHeader: reporting station and UA: a routine pilot report.
OV CWALocation: fix or navaid, optionally with a radial and distance in NM.
TM 1635Reported at 16:35 UTC.
FL080Altitude: 8,000 ft MSL.
TP E170Aircraft type reporting.
SK BASE 080 TOP 090Sky condition: cloud bases and tops in hundreds of feet MSL.
TA 1Outside air temperature, °C.
IC NEGIcing: none reported.

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

Recent aviation weather trends at WI91

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KATW reported mostly VFR across 39 observations, with 0 flight-category changes. The lowest ceiling was 9,000 ft. Wind most often came from the S.

Last 24 hours
VFR 100%
Wind avg/max: 6/10 kt
Max gust: -
Lowest ceiling: 9,000 ft
Lowest vis: -
Prevailing wind: S
Category changes: 0
Last 7 days
VFR 86%MVFR 6%LIFR 8%
Wind avg/max: 6/14 kt
Max gust: 19 kt
Lowest ceiling: 100 ft
Lowest vis: 0.06 sm
Prevailing wind: S
Category changes: 10

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.

18
55%
36
45%

TAF | Terminal Aerodrome Forecast

Issued 1733Z (12:33 PM CDT)

TAF KATW 281733Z 2818/2918 19009G15KT P6SM SCT250 FM290000 18012G21KT P6SM BKN120 WS015/21040KT FM290400 21013G22KT P6SM -SHRA BKN070 WS015/22050KT PROB30 2904/2907 5SM -TSRA SCT030 OVC050CB FM290800 24012G20KT P6SM OVC050 WS015/26040KT FM291000 25010G18KT P6SM BKN025 FM291100 29008G16KT P6SM FEW025 SCT250

New to TAFs? How to read one →

Get WI91 weather alerts in Telegram

Stop refreshing aviation weather manually. Track WI91 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

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No live weather from WI91

Live crosswind meter

WI91 has no weather feed online, so the wind comes from KATW, 6.2 nm away.

N18369 kt
Headwind
9 kt
Crosswind (from the left)
1 kt

Wind is 9° off runway 18, the end with the most headwind right now.

Have a weather station at WI91? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Turf · 2,300 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Larson Airport (WI91)
N ↑

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
Landing fee
No
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
WI91
City
Larsen
State
Wisconsin
Country
United States
Elevation
800 ft
Coordinates
44.2028, -88.6396
Runways
1 physical runway · 2 runway ends
Longest runway
2,300 ft
Weather reporting
Nearest station KATW
TAF
Nearest KGRB
Time zone
America/Chicago
Sunset in
44m

Run a flight school, FBO, or club here? Embed WI91's live status on your website, free →

Nearby airports

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

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 Larson Airport (WI91)

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 Larson 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 WI91 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.

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