KGRR TAF
Terminal aerodrome forecast for Gerald R. Ford International Airport (GRR · KGRR), Grand Rapids, MI. Issued 6 Aug 2026 2340Z, valid 0000Z to 0000Z, decoded period by period below.
All of Gerald R. Ford International Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2340Z
valid 0000Z to 0000ZTAF KGRR 062340Z 0700/0724 17004KT P6SM BKN080 FM071000 VRB03KT 5SM BR BKN018 FM071100 VRB03KT 4SM BR BKN005 FM071400 21005KT P6SM BKN013 FM071700 22006KT P6SM SCT035
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 1000Z | Initial | 170° at 4 kt | 6+ SM | 8,000 ft BKN | Broken at 8,000 ft AGL | VFR |
| 1000Z to 1100Z | FM | Variable at 3 kt | 5 SM | 1,800 ft BKN | Broken at 1,800 ft AGL | MVFR |
| 1100Z to 1400Z | FM | Variable at 3 kt | 4 SM | 500 ft BKN | Broken at 500 ft AGL | IFR |
| 1400Z to 1700Z | FM | 210° at 5 kt | 6+ SM | 1,300 ft BKN | Broken at 1,300 ft AGL | MVFR |
| 1700Z to 0000Z | FM | 220° at 6 kt | 6+ SM | Clear | Scattered 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
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- 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.
Frequently asked
What is the current TAF for KGRR?
The forecast issued 6 Aug 2026 2340Z for Gerald R. Ford International Airport reads: TAF KGRR 062340Z 0700/0724 17004KT P6SM BKN080 FM071000 VRB03KT 5SM BR BKN018 FM071100 VRB03KT 4SM BR BKN005 FM071400 21005KT P6SM BKN013 FM071700 22006KT P6SM SCT035
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 KGRR
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.