


Area Forecast Discussion
Issued by NWS Burlington, VT
Issued by NWS Burlington, VT
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692 FXUS61 KBTV 141655 AFDBTV Area Forecast Discussion National Weather Service Burlington VT 1255 PM EDT Sat Jun 14 2025 .SYNOPSIS... High pressure building slowly southward from Canada will bring mainly dry weather through early next week along with a gradual warming trend. The next chance of showers and storms arrives mainly from next Wednesday into Thursday as a cold front affects the region. && .NEAR TERM /THROUGH SUNDAY/... As of 1239 PM EDT Saturday...Main adjustments to the forecast include lowering hourly dew point values across northern Vermont, where dry air is flowing in from the north/northeast. Temperatures are also not rising as quickly in southern zones due to the continued cloud cover over places like Rutland and Springfield. Rutland is reporting rain, but this seems more likely mist. Prior discussion... Variable clouds will give way to partial to full sunshine by later this morning/afternoon from north to south as high pressure builds into the region (far southern counties may hold onto clouds a bit longer). Outside a stray early morning light shower central/south, dry weather is expected with pleasant highs in the upper 60s to lower 70s under light northerly flow less than 10 mph. Mainly quiet weather then continues for tonight into Sunday. There will be gradual increase in cloud cover with a few, spotty light showers possible central/southern counties on Sunday with the passage of a very weak mid level shortwave trough, but QPF is scant and very light where showers do occur and most areas should remain dry. Temperatures remain within a degree or two of seasonal mid-June norms. && .SHORT TERM /SUNDAY NIGHT THROUGH MONDAY/... As of 235 AM EDT Saturday...The end of the weekend continues to look mainly quiet and for most on the dry side. Upper level flow will look to remain zonal with some northwesterly flow leading to temperatures close to seasonal normals. Highs in the mid 70s and with lows down into the low to mid 50s. Weak shortwave energy associated with the marginal northwest flow, along with dew points near 60, could help develop some weak instability and showers, primarily over the mountains during the day Monday. Otherwise, most locations should be dry with mostly cloudy skies expected. && .LONG TERM /MONDAY NIGHT THROUGH SATURDAY/... As of 235 AM EDT Saturday...The long term overall does not have any highly impactful weather as of right now, however warming temperatures and dew points will lead to daily instability with chances for showers and thunderstorms everyday. A weakly amplified positively tilted upper level trough will slowly move eastward over the course of the week. This will keep the area firmly in the warm sector with ensemble temperatures 5- 10 degrees above normal with highs in the upper 70s early week to mid 80s by mid to late week. Dewpoints will also trend into the 60s making it feel more on the humid side as well. Thermodynamics and open wave energy will lead to daily instability development. The greatest chance for showers and thunderstorms exists Wednesday and Thursday from an approaching front which could bring the potential for strong to severe thunderstorms, which we will monitor closely in the coming days. Highest PoPs in the extended portion are generally 65-80% on Thursday afternoon. Winds also will generally be on the breezy side through the extended period with the instability around. Tuesday afternoon looks to be the windiest of the long term with a nose of an 850mb jet scraping the region as it moves northeastward across the St. Lawrence Valley. && .AVIATION /18Z SATURDAY THROUGH THURSDAY/... Through 18Z Sunday...VFR conditions are expected for all sites other than RUT until 07Z-09Z Sunday when some model solutions are suggesting valley fog will develop and drop visibilities and ceilings. RUT remains in the clouds swathed across southern Vermont, and will likely have ceilings 2000-2500 feet above ground level through about 21Z today. These MVFR cigs are not expected to stay away long, however, as moisture continues to favor southern Vermont, and we could see a return of cigs 1500-2500 feet by 02Z-06Z Sunday. Confidence is not high in terms of fog elsewhere as we are not seeing good agreement amongst models and fog is not climatologically favored this time of year. We seem too far from the stationary front in the southeastern US to have that influence fog development. Cloudy skies in the southern half of the forecast area could inhibit fog as well. However, winds are looking light and variable for much of the night, so any calmer periods could get fog going. If fog were to develop tonight around 07Z-09Z, the most likely spots are SLK and MPV, with perhaps some fog in the St. Lawrence Valley as well, impacting MSS. Any potential fog would dissipate by around 11Z-15Z Sunday. RUT`s MVFR ceilings may increase to VFR levels as well around 15Z Sunday, but some projections show these low clouds lasting through 18Z Sunday. While winds will be light (mostly under 10 knots) and variable for much of the next 24 hours, we`ll also see an overall northeasterly to southeasterly component to the winds. LLWS is not a concern at this time. Outlook... Sunday: VFR. Slight chance SHRA. Sunday Night: VFR. Slight chance SHRA. Monday: VFR. Slight chance SHRA. Monday Night: Mainly VFR, with local MVFR possible. NO SIG WX. Tuesday: Mainly VFR, with local MVFR possible. Chance SHRA. Tuesday Night: Mainly MVFR, with areas VFR possible. Chance SHRA. Wednesday: Mainly VFR, with areas MVFR possible. Chance SHRA, Slight chance TSRA. && .BTV WATCHES/WARNINGS/ADVISORIES... VT...None. NY...None. && $$ SYNOPSIS...JMG NEAR TERM...JMG/Storm SHORT TERM...Danzig LONG TERM...Danzig AVIATION...Storm