KRIW TAF
Terminal aerodrome forecast for Central Wyoming Regional (RIW · KRIW), Riverton, WY. Issued 20 Sep 2026 2320Z, valid 0000Z to 0000Z, decoded period by period below. · Open on the map
All of Central Wyoming Regional — runways, frequencies, charts and live weatherTAF issued 20 Sep 2026 2320Z
valid 0000Z to 0000ZTAF KRIW 202320Z 2100/2124 08006KT P6SM SCT050 BKN080 PROB30 2100/2101 6SM -SHRA SCT025 BKN040 FM210600 34006KT P6SM SCT060 SCT110 FM210800 29006KT P6SM FEW080 SCT150 FM211700 07006KT P6SM FEW250
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0600Z | Initial | 080° at 6 kt | 6+ SM | 8,000 ft BKN | Scattered at 5,000 ft AGL, Broken at 8,000 ft AGL | VFR |
| 0000Z to 0100Z | PROB | Calm | 6+ SM | 4,000 ft BKN | Scattered at 2,500 ft AGL, Broken at 4,000 ft AGL | VFR |
| 0600Z to 0800Z | FM | 340° at 6 kt | 6+ SM | Clear | Scattered at 6,000 ft AGL, Scattered at 11,000 ft AGL | VFR |
| 0800Z to 1700Z | FM | 290° at 6 kt | 6+ SM | Clear | Few at 8,000 ft AGL, Scattered at 15,000 ft AGL | VFR |
| 1700Z to 0000Z | FM | 070° at 6 kt | 6+ SM | Clear | Few at 25,000 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 KRIW?
The forecast issued 20 Sep 2026 2320Z for Central Wyoming Regional reads: TAF KRIW 202320Z 2100/2124 08006KT P6SM SCT050 BKN080 PROB30 2100/2101 6SM -SHRA SCT025 BKN040 FM210600 34006KT P6SM SCT060 SCT110 FM210800 29006KT P6SM FEW080 SCT150 FM211700 07006KT P6SM FEW250
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 KRIW
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.