KMCW TAF
Terminal aerodrome forecast for Mason City Municipal Airport (MCW · KMCW), Mason City, IA. Issued 6 Aug 2026 2337Z, valid 0000Z to 0000Z, decoded period by period below.
All of Mason City Municipal Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2337Z
valid 0000Z to 0000ZTAF KMCW 062337Z 0700/0724 16006KT P6SM FEW250 FM071100 20006KT 5SM BR BKN015 FM071300 21007KT 6SM BR BKN006 FM071600 22009KT P6SM BKN050 PROB30 0718/0720 5SM -TSRA BKN030CB FM072000 24010KT P6SM -SHRA BKN100 PROB30 0720/0723 5SM -TSRA BKN030CB
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 1100Z | Initial | 160° at 6 kt | 6+ SM | Clear | Few at 25,000 ft AGL | VFR |
| 1100Z to 1300Z | FM | 200° at 6 kt | 5 SM | 1,500 ft BKN | Broken at 1,500 ft AGL | MVFR |
| 1300Z to 1600Z | FM | 210° at 7 kt | 6+ SM | 600 ft BKN | Broken at 600 ft AGL | IFR |
| 1600Z to 2000Z | FM | 220° at 9 kt | 6+ SM | 5,000 ft BKN | Broken at 5,000 ft AGL | VFR |
| 1800Z to 2000Z | PROB | Calm | 5 SM | 3,000 ft BKN | Broken at 3,000 ft AGL | MVFR |
| 2000Z to 0000Z | FM | 240° at 10 kt | 6+ SM | 10,000 ft BKN | Broken at 10,000 ft AGL | VFR |
| 2000Z to 2300Z | PROB | Calm | 5 SM | 3,000 ft BKN | Broken at 3,000 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 6 Aug 2026 2337Z for Mason City Municipal Airport reads: TAF KMCW 062337Z 0700/0724 16006KT P6SM FEW250 FM071100 20006KT 5SM BR BKN015 FM071300 21007KT 6SM BR BKN006 FM071600 22009KT P6SM BKN050 PROB30 0718/0720 5SM -TSRA BKN030CB FM072000 24010KT P6SM -SHRA BKN100 PROB30 0720/0723 5SM -TSRA BKN030CB
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.