Area Forecast Discussion
Issued by NWS Burlington, VT
Issued by NWS Burlington, VT
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436 FXUS61 KBTV 201749 AFDBTV Area Forecast Discussion National Weather Service Burlington VT 1249 PM EST Thu Nov 20 2025 .SYNOPSIS... Cool and quiet conditions will continue today as the region remains under high pressure. Chances for light precipitation arrive tomorrow as a cold front pushes eastward, bringing primarily rain. Seasonably cool late November conditions will resume for the rest of the weekend, followed by another quick moving system on Monday and a more widespread precipitation event likely beginning Tuesday night. && .NEAR TERM /THROUGH FRIDAY NIGHT/... As of 1248 PM EST Thursday...High pressure across the region will continue to bring cool and quiet weather conditions through much of the afternoon into the evening. Stratus and cloud cover from this morning will gradually improve through the afternoon with some blue skies making an appearance. Cloud cover is expected to increase later tonight ahead of a cold front approaching the region. Temperatures overnight will be a bit warmer than the last several nights given increasing clouds and southerly flow, with lows generally in the 20s. The cold front will continue to push across the region through the day tomorrow, bringing some chances for light precipitation. Guidance continues to support to more scattered and spotty showers with a rather lackluster feature moving through. The best chances for measurable precipitation will be further north, although any measurable precipitation will be fairly light ad generally only a few hundredths. Precipitation is expected to mostly fall as rain, although snow will be possible in the higher summits throughout the day. In addition to light precipitation, some breezy winds may also be possible, especially across the higher summits and Lake Champlain. Daytime highs tomorrow will be on the warmer side under modest southerly flow, with temperatures in the 40s outside of the higher terrain. Cooler air will begin to filter into the region late Friday into Saturday behind the front as winds shift to become more northwesterly. && .SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/... As of 1248 PM EST Thursday...A seasonable start to the weekend is expected across the region with surface high pressure nosing in and zonal flow aloft. A few lingering mountain showers will be possible during the day Saturday, but will quickly wane given limited moisture. Temperatures on Saturday will be seasonably cool, with daytime highs in the 30s to low 40s. Chilly overnight lows are expected Saturday night into early Sunday morning, with temperatures dropping into the teens and 20s across the area. && .LONG TERM /SUNDAY THROUGH THURSDAY/... As of 1248 PM EST Thursday...Anticipate multiple rounds of precipitation for next week. The first arrives on Sunday and Sunday night, as low pressure moves by well to our north. It will drag a couple of weak fronts through our area, bringing light valley rain and mountain snow. Moisture will be limited and daytime temperatures marginal, so don`t anticipate much in the way of snow accumulation; 24-hr probabilities of receiving 2 inches or more are 15 percent at most below 2500 ft. Another stronger low pressure system will push into the Great Lakes by mid week, likewise forcing a couple of fronts/surface troughs across the North Country and Vermont. However, this system will have better moisture and dynamic forcing, so precipitation will be more substantial and widespread, likely coming in a couple of rounds. The first will be the the warm front later Tuesday into Tuesday night. While the valleys should be warm enough for plain rain, higher elevations will likely see a wintry mix Tuesday evening before changing over to rain by early Wednesday. There may be a brief break in the precipitation Wednesday, but expect widespread rain to redevelop Wednesday night as a strong 850 mb jet ushers additional moisture into the region. Once the low moves by, sometime late Wednesday or Thursday, a cold front will change rain back over to snow, particularly over the higher elevations. There are some signs this could be a fairly strong cold front, so temperatures may drop rather quickly, so anyone planning Thanksgiving travel should keep a close eye on future forecast updates. Winds could be breezy behind the cold front as well, particularly across the higher elevations, as a 45+ kt 850 mb jet crosses overhead. There are still plenty of differences in model solutions with this mid-week system, so we`ll monitor trends closely as we head toward the Thanksgiving holiday. && .AVIATION /18Z THURSDAY THROUGH TUESDAY/... Through 18z Friday...Main aviation impacts through this TAF period will continue to be at KMSS as low stratus continues to blanket the St Lawrence Valley. Satellite imagery shows cloud edge slowly eroding toward KMSS, and there may be a few-hour period this afternoon when overcast becomes SCT or FEW. However, anticipate IFR/LIFR ceilings to return by 22z and then remain through much of the remainder of the forecast period. Freezing fog will once again be possible at KMSS tonight, mainly 06z-13z. Otherwise, all terminals should generally see VFR prevail. The exceptions are brief MVFR ceilings around 1200 ft at KPBG through 19z today, and then also some potential MVFR or perhaps very brief IFR at KMPV in fog 10z-13z Friday. Clouds start to thicken and lower after 12z Friday, and some light rain showers are possible at KMSS/KSLK, but expected areal coverage was not enough to include mention in the TAFs at this time. Light and variable winds through this afternoon and overnight, turning to the south at 5-10 kt after 12z Fri. Some gusts to 20 kt possible, mainly in the Champlain Valley due to channeling of winds. Outlook... Friday Night: Mainly VFR, with local MVFR possible. Chance RA. Saturday: VFR. NO SIG WX. Saturday Night: Mainly VFR, with local MVFR possible. NO SIG WX. Sunday: Mainly VFR, with areas MVFR possible. Chance SHRA, Slight chance SHSN. Sunday Night: Mainly MVFR, with local IFR possible. Chance SHRA, Chance SHSN. Monday: Mainly MVFR, with areas VFR possible. Chance SHRA, Chance SHSN. Monday Night: Mainly VFR, with local MVFR possible. Slight chance SHRA, Slight chance SHSN. Tuesday: Mainly VFR, with local MVFR possible. Slight chance SHRA, Slight chance SHSN. && .EQUIPMENT... NOAA Weather Radio station WXM-44, transmitting from Mt. Ascutney, Vermont, on frequency 162.475 MHz is non-operational at this time. NWS technicians have diagnosed the problem, but repairs will likely not be able to occur for quite some time due to circumstances beyond our control. Therefore, the time of return to service is currently unknown. The following NOAA Weather Radio transmitters may be able to provide service during this outage: WWG 50 from Burke Mtn, VT at 162.425 MHz and WNG 546 from Hanover, NH at 162.525 MHz. && .BTV WATCHES/WARNINGS/ADVISORIES... VT...None. NY...None. && $$ SYNOPSIS...Kremer NEAR TERM...Kremer SHORT TERM...Kremer LONG TERM...Hastings AVIATION...Hastings EQUIPMENT...Team BTV