KCMI TAF
Terminal aerodrome forecast for University Of Illinois/Willard (CMI · KCMI), Champaign/Urbana, IL. Issued 21 Sep 2026 0520Z, valid 0600Z to 0600Z, decoded period by period below. · Open on the map
All of University Of Illinois/Willard — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0520Z
valid 0600Z to 0600ZTAF KCMI 210520Z 2106/2206 06012KT P6SM VCSH OVC006 PROB30 2108/2112 3SM -TSRA OVC007CB FM211300 05011KT P6SM OVC007 FM220100 06010KT P6SM OVC012
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0600Z to 1300Z | Initial | 060° at 12 kt | 6+ SM | 600 ft OVC | Overcast at 600 ft AGL | IFR |
| 0800Z to 1200Z | PROB | Calm | 3 SM | 700 ft OVC | Overcast at 700 ft AGL | IFR |
| 1300Z to 0100Z | FM | 050° at 11 kt | 6+ SM | 700 ft OVC | Overcast at 700 ft AGL | IFR |
| 0100Z to 0600Z | FM | 060° at 10 kt | 6+ SM | 1,200 ft OVC | Overcast at 1,200 ft AGL | MVFR |
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.
Frequently asked
What is the current TAF for KCMI?
The forecast issued 21 Sep 2026 0520Z for University Of Illinois/Willard reads: TAF KCMI 210520Z 2106/2206 06012KT P6SM VCSH OVC006 PROB30 2108/2112 3SM -TSRA OVC007CB FM211300 05011KT P6SM OVC007 FM220100 06010KT P6SM OVC012
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 KCMI
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Something here wrong or out of date?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.