KMCW TAF
Terminal aerodrome forecast for Mason City Municipal (MCW · KMCW), Mason City, IA. Issued 5 Nov 2026 0938Z, valid 1000Z to 0600Z, decoded period by period below. · Open on the map
All of Mason City Municipal — runways, frequencies, charts and live weatherTAF issued 5 Nov 2026 0938Z
valid 1000Z to 0600ZTAF KMCW 050938Z 0510/0606 32013G20KT P6SM OVC010 TEMPO 0510/0514 4SM BR OVC008 FM051400 35014G24KT P6SM BKN008 OVC014 FM052200 35012KT P6SM SCT008 BKN018
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 1000Z to 1400Z | Initial | 320° at 13-20 kt | 6+ SM | 1,000 ft OVC | Overcast at 1,000 ft AGL | MVFR |
| 1000Z to 1400Z | TEMPO | No change | 4 SM | 800 ft OVC | Overcast at 800 ft AGL | IFR |
| 1400Z to 2200Z | FM | 350° at 14-24 kt | 6+ SM | 800 ft BKN | Broken at 800 ft AGL, Overcast at 1,400 ft AGL | IFR |
| 2200Z to 0600Z | FM | 350° at 12 kt | 6+ SM | 1,800 ft BKN | Scattered at 800 ft AGL, Broken at 1,800 ft AGL | MVFR |
What the change groups mean
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- 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 5 Nov 2026 0938Z for Mason City Municipal reads: TAF KMCW 050938Z 0510/0606 32013G20KT P6SM OVC010 TEMPO 0510/0514 4SM BR OVC008 FM051400 35014G24KT P6SM BKN008 OVC014 FM052200 35012KT P6SM SCT008 BKN018
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.