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MCW Weather: METAR, TAF and Runway Winds

Mason City Municipal Airport, Mason City, IA · KMCW

Current weather at Mason City Municipal Airport in Mason City, IA (IATA MCW, ICAO KMCW): the latest observation puts the airport in MVFR (marginal visual flight rules) conditions, wind 330° at 16 kt, gusting 23 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.

MCW airport info MCW NOTAMs

Current conditions (METAR)

MVFRObserved at on Nov 5, 5 minutes ago
  • Wind: from the north-northwest (330° true) at 16 knots, gusting 23 knots.
  • Visibility: 5 miles.
  • Weather: light rain, mist.
  • Clouds: scattered clouds at 900 ft, broken clouds at 1,400 ft, overcast at 2,500 ft; the ceiling is 1,400 ft above the ground.
  • Temperature: 9°C (49°F), dew point 9°C (48°F).
  • Altimeter: 29.81 inHg (1010 hPa).
SPECI KMCW 051415Z AUTO 33016G23KT 5SM -RA BR SCT009 BKN014 OVC025 09/09 A2981 RMK AO2 RAB07 P0000 T00940089

Runway winds

Components for the current wind, 330° at 16 kt, gusting 23 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.

RunwayHeading (true)HeadwindCrosswindLength
12125°Tailwind 15 kt (gusts tail 21)7 kt from the left (gusts 10)5,502 ft
30 Most headwind305°15 kt (gusts 21)7 kt from the right (gusts 10)5,502 ft
18180°Tailwind 14 kt (gusts tail 20)8 kt from the right (gusts 11)6,501 ft
36360°14 kt (gusts 20)8 kt from the left (gusts 12)6,501 ft

Forecast (TAF)

Issued , valid to 

TAF KMCW 051141Z 0512/0612 33012G19KT P6SM SCT007 OVC011 TEMPO 0512/0516 3SM -DZ BR OVC009 FM051600 35014G22KT P6SM SCT009 OVC013 FM052200 35011KT P6SM SCT008 OVC015 FM060300 VRB05KT P6SM BKN017
  1. to
    Wind 330° at 12 kt, gusting 19 kt; visibility 6 miles or more; scattered clouds at 700 ft, overcast at 1,100 ft.
  2. Temporarily, to
    Visibility 3 miles; light drizzle, mist; overcast at 900 ft.
  3. From (until )
    Wind 350° at 14 kt, gusting 22 kt; visibility 6 miles or more; scattered clouds at 900 ft, overcast at 1,300 ft.
  4. From (until )
    Wind 350° at 11 kt; visibility 6 miles or more; scattered clouds at 800 ft, overcast at 1,500 ft.
  5. From (until )
    Wind variable at 5 kt; visibility 6 miles or more; broken clouds at 1,700 ft.

Airport diagram

FAA airport diagram of Mason City Municipal Airport (MCW). The official FAA PDF below has the full detail.

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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Data © OpenStreetMap contributors (ODbL), as of Nov 3, 2026.

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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.