Skip to content
Know before you taxi

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

Blair Lake Airport (2WI5) Area Aviation Weather & Runway Winds

As of 10:15 AM CDT, Oct 27, based on the nearest station (KD25), 2WI5 is currently IFR with winds from 140° at 8 knots gusting 15, visibility 10+ statute miles, and a 700 ft ceiling.

Aviation weather near Blair Lake Airport in Mercer, WI, decoded from the nearest reporting station (KD25): conditions and runway crosswinds.

Blair Lake Airport (2WI5) is a general aviation airport serving pilots in and around Mercer, WI at a field elevation of 1,625 ft. 2WI5 has no weather station of its own. Conditions here are decoded from KD25, about 12 nm away, the nearest reporting station, and local conditions can differ. It has one runway (09/27), the longest 2,000 ft. The nearest TAF is issued for KIWD.

Ask ATIS AIAsk anything about 2WI5's weather, runways or delays, or search another airport.
IFR
Observed 1515Z (10:15 AM CDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KD25, 11.8 nm away.

Wind
140° 8 kt
gusting 15 kt
Visibility
10+ sm
Ceiling
700 ft
Altimeter
30.25"
Temp / Dew
39°F / 4°C
feels like 33°F

Wind from the southeast (140°) at 8 kt, gusting 15 kt, visibility 10+ statute miles, overcast at 700 ft, temperature 4°C (39°F), altimeter 30.25 inHg. Conditions are Instrument Flight Rules (IFR), ceiling 700 ft.

Raw METAR
METAR KD25 271515Z AUTO 14008G15KT 10SM OVC007 04/04 A3025 RMK AO2 T00410040

What changed at KD25 (nearest station)?

Since the 1455Z (9:55 AM CDT) report, compared automatically against the latest METAR.

  • Gusts began, now gusting 15 kt.

Current pilot readout for 2WI5

Based on the nearest station (KD25), 2WI5 is currently IFR with winds from 140° at 8 knots gusting 15, visibility 10+ statute miles, and a 700 ft ceiling. the wind favors east-facing runway ends (09). Density altitude is approximately 300 ft (field elevation 1,625 ft). 2WI5 does not publish a TAF. The nearest TAF station is KIWD, about 26 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
09FAV5 kt head6 kt right (g11)
275 kt tail6 kt left (g11)

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

2WI5 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
    2,000 × 60 ft · TURF
    Status not monitored
    Current use
    no stated-runway source at 2WI5
    Wind
    09
    5 kt headwind · 6 kt crosswind from right
    27
    5 kt tailwind · 6 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
091715Z03Z15Z

Over the last 23 h: wind 5→8 kt, ceiling 9,000 ft → 700 ft.

2WI5 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 2WI5

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

PIREP1505Z (10:05 AM CDT) · 94 NM NW of 2WI5 · during descent · CRJ2
Show raw report
DLH UA /OV DLH/TM 1505/FLDURD/TP CRJ2/SK B019
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1505Reported at 15:05 UTC.
FLDURDReported during descent.
TP CRJ2Aircraft type reporting.
SK B019Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP1452Z (9:52 AM CDT) · 94 NM NW of 2WI5 · 8,000 ft MSL · CRJ2
Show raw report
DLH UA /OV DLH/TM 1452/FL080/TP CRJ2/TA +3/IC NEG/RM MOD RAIN
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1452Reported at 14:52 UTC.
FL080Altitude: 8,000 ft MSL.
TP CRJ2Aircraft type reporting.
TA +3Outside air temperature, °C.
IC NEGIcing: none reported.
RM MOD RAINRemarks.
PIREP1430Z (9:30 AM CDT) · 94 NM NW of 2WI5 · 1,800 ft MSL · SR22
Show raw report
DLH UA /OV DLH/TM 1430/FL018/TP SR22/SK B018
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1430Reported at 14:30 UTC.
FL018Altitude: 1,800 ft MSL.
TP SR22Aircraft type reporting.
SK B018Sky condition: cloud bases and tops in hundreds of feet MSL.
PIREP1332Z (8:32 AM CDT) · 87 NM E of 2WI5 · 3,200 ft MSL · PA46
Show raw report
IMT UA /OV IMT/TM 1332/FL032/TP PA46/IC NEG
IMT UAHeader: reporting station and UA: a routine pilot report.
OV IMTLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1332Reported at 13:32 UTC.
FL032Altitude: 3,200 ft MSL.
TP PA46Aircraft type reporting.
IC NEGIcing: none reported.
PIREP1328Z (8:28 AM CDT) · 89 NM S of 2WI5 · 19,000 ft MSL · H25B
light mx 17,000–19,000 ft icing
Show raw report
EAU UA /OV EAU109037/TM 1328/FL190/TP H25B/SK TOP190/TA M15/IC LGT MX 170-190
EAU UAHeader: reporting station and UA: a routine pilot report.
OV EAU109037Location: fix or navaid, optionally with a radial and distance in NM.
TM 1328Reported at 13:28 UTC.
FL190Altitude: 19,000 ft MSL.
TP H25BAircraft type reporting.
SK TOP190Sky condition: cloud bases and tops in hundreds of feet MSL.
TA M15Outside air temperature, °C.
IC LGT MX 170-190Icing: light mx 17,000–19,000 ft.
PIREP1325Z (8:25 AM CDT) · 94 NM NW of 2WI5 · 3,000 ft MSL · SW4
Show raw report
DLH UA /OV DLH/TM 1325/FL030/TP SW4/SK B018/IC NEG
DLH UAHeader: reporting station and UA: a routine pilot report.
OV DLHLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1325Reported at 13:25 UTC.
FL030Altitude: 3,000 ft MSL.
TP SW4Aircraft type reporting.
SK B018Sky condition: cloud bases and tops in hundreds of feet MSL.
IC NEGIcing: none reported.
PIREP1257Z (7:57 AM CDT) · 82 NM S of 2WI5 · during descent · BE99
Show raw report
CWA UA /OV KCWA/TM 1257/FL032/TP BE99/SK OVC018-TOP032/RM DURD
CWA UAHeader: reporting station and UA: a routine pilot report.
OV KCWALocation: fix or navaid, optionally with a radial and distance in NM.
TM 1257Reported at 12:57 UTC.
FL032Altitude: 3,200 ft MSL.
TP BE99Aircraft type reporting.
SK OVC018-TOP032Sky condition: cloud bases and tops in hundreds of feet MSL.
RM DURDRemarks.
PIREP1247Z (7:47 AM CDT) · 95 NM NE of 2WI5 · 4,500 ft MSL · B190
Show raw report
CMX UA /OV CMX/TM 1247/FL045/TP B190/SK BASE045
CMX UAHeader: reporting station and UA: a routine pilot report.
OV CMXLocation: fix or navaid, optionally with a radial and distance in NM.
TM 1247Reported at 12:47 UTC.
FL045Altitude: 4,500 ft MSL.
TP B190Aircraft type reporting.
SK BASE045Sky 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 2WI5

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KD25 reported a mix of conditions, most often VFR across 70 observations, with 1 flight-category change. The strongest gust reached 15 kt, the lowest ceiling was 500 ft. Wind most often came from the NE.

Last 24 hours
VFR 59%IFR 41%
Wind avg/max: 4/10 kt
Max gust: 15 kt
Lowest ceiling: 500 ft
Lowest vis: -
Prevailing wind: NE
Category changes: 1

Most recent change: VFR → IFR

Last 7 days
VFR 90%MVFR 1%IFR 6%LIFR 3%
Wind avg/max: 5/17 kt
Max gust: 23 kt
Lowest ceiling: 200 ft
Lowest vis: 0.25 sm
Prevailing wind: S
Category changes: 8

Most recent change: VFR → IFR

Wind-favored runway - past 30 days

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

27
58%
09
42%

Get 2WI5 weather alerts in Telegram

Stop refreshing aviation weather manually. Track 2WI5 in ATIS Alerts and get notified when a new METAR changes the picture: a category drop, or wind and ceiling moving toward your minimums.

Track 2WI5 free on Telegram

No live weather from 2WI5

Live crosswind meter

2WI5 has no weather feed online, so the wind comes from KD25, 12 nm away.

N09278 kt
Headwind
5 kt
Crosswind (from the right)
6 kt
Headwind in gusts
10 kt
Crosswind in gusts
11 kt

Wind is 50° off runway 09, the end with the most headwind right now.

Have a weather station at 2WI5? Help us make your field's weather available to every pilot, free. Add your field's wx station →

Turf · 2,000 ft. Headings from FAA runway data. Not for navigation.

Field aerial

North up

Aerial photo of Blair Lake Airport (2WI5)
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
Control tower
None
Wind indicator
Unlighted

Airport

Type
General aviation airport
FAA LID
2WI5
City
Mercer
State
Wisconsin
Country
United States
Elevation
1,625 ft
Coordinates
46.0974, -90.1632
Runways
1 physical runway · 2 runway ends
Longest runway
2,000 ft
Weather reporting
Nearest station KD25
TAF
Nearest KIWD
Time zone
America/Chicago
Sunset in
7h 19m

Run a flight school, FBO, or club here? Embed 2WI5'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 Blair Lake Airport (2WI5)

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 Blair Lake 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 2WI5 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

How ATIS Alerts works · All US airports · Wisconsin airports