KJVL TAF
Terminal aerodrome forecast for Southern Wisconsin Regional Airport (JVL · KJVL), Janesville, WI. Issued 6 Aug 2026 2335Z, valid 0000Z to 0000Z, decoded period by period below.
All of Southern Wisconsin Regional Airport — runways, frequencies, charts and live weatherTAF issued 6 Aug 2026 2335Z
valid 0000Z to 0000ZTAF KJVL 062335Z 0700/0724 VRB04KT P6SM SCT020 BKN045 FM070900 00000KT 5SM BR BKN017 TEMPO 0712/0714 3SM BR OVC009 FM071600 21006KT P6SM SCT017 BKN035 FM072200 24007KT P6SM FEW040
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 0900Z | Initial | Variable at 4 kt | 6+ SM | 4,500 ft BKN | Scattered at 2,000 ft AGL, Broken at 4,500 ft AGL | VFR |
| 0900Z to 1600Z | FM | 000° at 0 kt | 5 SM | 1,700 ft BKN | Broken at 1,700 ft AGL | MVFR |
| 1200Z to 1400Z | TEMPO | Calm | 3 SM | 900 ft OVC | Overcast at 900 ft AGL | IFR |
| 1600Z to 2200Z | FM | 210° at 6 kt | 6+ SM | 3,500 ft BKN | Scattered at 1,700 ft AGL, Broken at 3,500 ft AGL | VFR |
| 2200Z to 0000Z | FM | 240° at 7 kt | 6+ SM | Clear | Few at 4,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
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 KJVL?
The forecast issued 6 Aug 2026 2335Z for Southern Wisconsin Regional Airport reads: TAF KJVL 062335Z 0700/0724 VRB04KT P6SM SCT020 BKN045 FM070900 00000KT 5SM BR BKN017 TEMPO 0712/0714 3SM BR OVC009 FM071600 21006KT P6SM SCT017 BKN035 FM072200 24007KT P6SM FEW040
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 KJVL
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.