KOTM TAF
Terminal aerodrome forecast for Ottumwa Regional (OTM · KOTM), Ottumwa, IA. Issued 20 Sep 2026 2336Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of Ottumwa Regional — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2336Z
valid 0000Z to 0000ZTAF KOTM 202336Z 2100/2124 06013KT P6SM BKN010 OVC016 FM210200 06012KT P6SM OVC007 FM210900 06008KT 5SM BR OVC006 PROB30 2112/2117 2SM -DZ BR OVC002 FM211700 06009KT 5SM -DZ BR OVC007 AMD NOT SKED
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 | 060° at 13 kt | 6+ SM | 1,000 ft BKN | Broken at 1,000 ft AGL, Overcast at 1,600 ft AGL | MVFR |
| 0200Z to 0900Z | FM | 060° at 12 kt | 6+ SM | 700 ft OVC | Overcast at 700 ft AGL | IFR |
| 0900Z to 1700Z | FM | 060° at 8 kt | 5 SM | 600 ft OVC | Overcast at 600 ft AGL | IFR |
| 1200Z to 1700Z | PROB | Calm | 2 SM | 200 ft OVC | Overcast at 200 ft AGL | LIFR |
| 1700Z to 0000Z | FM | 060° at 9 kt | 5 SM | 700 ft OVC | Overcast at 700 ft AGL | IFR |
What the change groups mean
- 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.
- LIFR
- Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
Frequently asked
What is the current TAF for KOTM?
The forecast issued 20 Sep 2026 2336Z for Ottumwa Regional reads: TAF KOTM 202336Z 2100/2124 06013KT P6SM BKN010 OVC016 FM210200 06012KT P6SM OVC007 FM210900 06008KT 5SM BR OVC006 PROB30 2112/2117 2SM -DZ BR OVC002 FM211700 06009KT 5SM -DZ BR OVC007 AMD NOT SKED
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 KOTM
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.