KCYS TAF
Terminal aerodrome forecast for Cheyenne Regional/Jerry Olson Field (CYS · KCYS), Cheyenne, WY. Issued 20 Sep 2026 2335Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of Cheyenne Regional/Jerry Olson Field — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2335Z
valid 0000Z to 0000ZTAF KCYS 202335Z 2100/2124 33014G24KT P6SM BKN080 FM210300 VRB06KT P6SM FEW200 FM211800 15007KT P6SM FEW150
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0300Z | Initial | 330° at 14-24 kt | 6+ SM | 8,000 ft BKN | Broken at 8,000 ft AGL | VFR |
| 0300Z to 1800Z | FM | Variable at 6 kt | 6+ SM | Clear | Few at 20,000 ft AGL | VFR |
| 1800Z to 0000Z | FM | 150° at 7 kt | 6+ SM | Clear | Few at 15,000 ft AGL | VFR |
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.
Frequently asked
What is the current TAF for KCYS?
The forecast issued 20 Sep 2026 2335Z for Cheyenne Regional/Jerry Olson Field reads: TAF KCYS 202335Z 2100/2124 33014G24KT P6SM BKN080 FM210300 VRB06KT P6SM FEW200 FM211800 15007KT P6SM FEW150
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 KCYS
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Something here wrong or out of date?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.