CIU Weather: METAR, TAF and Runway Winds

Chippewa County International Airport, Sault Ste. Marie, MI · KCIU

Current weather at Chippewa County International Airport in Sault Ste. Marie, MI (IATA CIU, ICAO KCIU): the latest observation puts the airport in MVFR (marginal visual flight rules) conditions, wind 220° at 4 kt. Below are the latest METAR and TAF from the NOAA Aviation Weather Center, decoded into plain English, and the headwind and crosswind on each runway.

CIU airport info CIU NOTAMs

Current conditions (METAR)

MVFRObserved at 13:15Z on Nov 5, 12 minutes ago

Wind: from the southwest (220° true) at 4 knots.
Visibility: 5 miles.
Weather: light rain, mist.
Clouds: few clouds at 700 ft, overcast at 1,100 ft; the ceiling is 1,100 ft above the ground.
Temperature: 10°C (50°F), dew point 10°C (50°F).
Altimeter: 29.56 inHg (1001 hPa).

SPECI KCIU 051315Z AUTO 22004KT 5SM -RA BR FEW007 OVC011 10/10 A2956 RMK AO2 P0001 $

Runway winds

Components for the current wind, 220° at 4 kt. Headings are true, as METAR winds are; the most-headwind runway ends are marked, among runways at least half as long as the longest.

Runway	Heading (true)	Headwind	Crosswind	Length
10	090°	Tailwind 3 kt	3 kt from the right	5,001 ft
28 Most headwind	270°	3 kt	3 kt from the left	5,001 ft
16	150°	1 kt	4 kt from the right	7,203 ft
34	330°	Tailwind 1 kt	4 kt from the left	7,203 ft

Forecast (TAF)

Issued Nov 5 11:20Z, valid Nov 5 12:00Z to Nov 6 12:00Z

TAF KCIU 051120Z 0512/0612 23007G20KT 5SM -SHRA BR SCT004 OVC009 FM051900 27007KT P6SM VCSH OVC006 FM052000 31006KT 2SM -SHRA BR SCT007 OVC020 FM052100 35015G30KT 2SM -SHRA BR SCT004 OVC007 FM060300 36015G30KT 6SM -SHRA BR SCT004 OVC007 PROB30 0606/0612 4SM -RASN BR BKN004

Nov 5 12:00Z to 19:00Z
Wind 230° at 7 kt, gusting 20 kt; visibility 5 miles; light rain showers, mist; scattered clouds at 400 ft, overcast at 900 ft.
From Nov 5 19:00Z (until 20:00Z)
Wind 270° at 7 kt; visibility 6 miles or more; showers in the vicinity; overcast at 600 ft.
From Nov 5 20:00Z (until 21:00Z)
Wind 310° at 6 kt; visibility 2 miles; light rain showers, mist; scattered clouds at 700 ft, overcast at 2,000 ft.
From Nov 5 21:00Z (until Nov 6 03:00Z)
Wind 350° at 15 kt, gusting 30 kt; visibility 2 miles; light rain showers, mist; scattered clouds at 400 ft, overcast at 700 ft.
From Nov 6 03:00Z (until 12:00Z)
Wind 360° at 15 kt, gusting 30 kt; visibility 6 miles; light rain showers, mist; scattered clouds at 400 ft, overcast at 700 ft.
30% chance, Nov 6 06:00Z to 12:00Z
Visibility 4 miles; light rain, light snow, mist; broken clouds at 400 ft.

Airport diagram

Official FAA PDF (effective Oct 29 to Nov 26)

FAA airport diagram, cycle 2611, effective Oct 29 to Nov 26, 2026. Reference only, not for navigation.

FBOs and services

FBOs

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Times are UTC (Z); the time after a slash is the local time at the airport. Weather and runway data come from the NOAA Aviation Weather Center (aviationweather.gov) and are refreshed here every few minutes; the plain-English summaries are generated by cwsi.net and may simplify, so the raw METAR and TAF are authoritative. Runway headings are true, worked out from NOAA's runway alignment. cwsi.net is not affiliated with NOAA or the FAA: get an official weather briefing before flight.