KMCW TAF
Terminal aerodrome forecast for Mason City Municipal (MCW · KMCW), Mason City, IA. Issued 21 Sep 2026 0530Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of Mason City Municipal — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0530Z
valid 0600Z to 0600ZTAF KMCW 210530Z 2106/2206 08010KT P6SM OVC035 FM210800 08008KT P6SM OVC030 FM211100 06009KT P6SM OVC021 FM211300 06009KT 6SM -SHRA OVC017 FM211500 06009KT 6SM BR OVC009 PROB30 2115/2121 4SM -SHRA OVC005 FM220400 07005KT P6SM BKN022
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 0800Z | Initial | 080° at 10 kt | 6+ SM | 3,500 ft OVC | Overcast at 3,500 ft AGL | VFR |
| 0800Z to 1100Z | FM | 080° at 8 kt | 6+ SM | 3,000 ft OVC | Overcast at 3,000 ft AGL | MVFR |
| 1100Z to 1300Z | FM | 060° at 9 kt | 6+ SM | 2,100 ft OVC | Overcast at 2,100 ft AGL | MVFR |
| 1300Z to 1500Z | FM | 060° at 9 kt | 6+ SM | 1,700 ft OVC | Overcast at 1,700 ft AGL | MVFR |
| 1500Z to 0400Z | FM | 060° at 9 kt | 6+ SM | 900 ft OVC | Overcast at 900 ft AGL | IFR |
| 1500Z to 2100Z | PROB | Calm | 4 SM | 500 ft OVC | Overcast at 500 ft AGL | IFR |
| 0400Z to 0600Z | FM | 070° at 5 kt | 6+ SM | 2,200 ft BKN | Broken at 2,200 ft AGL | MVFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
Frequently asked
What is the current TAF for KMCW?
The forecast issued 21 Sep 2026 0530Z for Mason City Municipal reads: TAF KMCW 210530Z 2106/2206 08010KT P6SM OVC035 FM210800 08008KT P6SM OVC030 FM211100 06009KT P6SM OVC021 FM211300 06009KT 6SM -SHRA OVC017 FM211500 06009KT 6SM BR OVC009 PROB30 2115/2121 4SM -SHRA OVC005 FM220400 07005KT P6SM BKN022
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KMCW
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.
Something here wrong or out of date? Report a data problem.