KCMH TAF
Terminal aerodrome forecast for John Glenn Columbus International (CMH · KCMH), Columbus, OH. Issued 4 Nov 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of John Glenn Columbus International — runways, frequencies, charts and live weatherTAF issued 4 Nov 2026 2320Z
valid 0000Z to 0000ZTAF KCMH 042320Z 0500/0524 16009KT 5SM -SHRA BKN008 FM050200 18008KT 5SM -DZ BR BKN009 FM050500 23007KT P6SM BKN015 FM051500 23012G22KT P6SM BKN035
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0200Z | Initial | 160° at 9 kt | 5 SM | 800 ft BKN | Broken at 800 ft AGL | IFR |
| 0200Z to 0500Z | FM | 180° at 8 kt | 5 SM | 900 ft BKN | Broken at 900 ft AGL | IFR |
| 0500Z to 1500Z | FM | 230° at 7 kt | 6+ SM | 1,500 ft BKN | Broken at 1,500 ft AGL | MVFR |
| 1500Z to 0000Z | FM | 230° at 12-22 kt | 6+ SM | 3,500 ft BKN | Broken at 3,500 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- IFR
- Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KCMH?
The forecast issued 4 Nov 2026 2320Z for John Glenn Columbus International reads: TAF KCMH 042320Z 0500/0524 16009KT 5SM -SHRA BKN008 FM050200 18008KT 5SM -DZ BR BKN009 FM050500 23007KT P6SM BKN015 FM051500 23012G22KT P6SM BKN035
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 KCMH
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Something here wrong or out of date?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.