


Area Forecast Discussion
Issued by NWS Burlington, VT
Issued by NWS Burlington, VT
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-- Discussion containing changed information from previous version are highlighted. --904 FXUS61 KBTV 031059 AFDBTV Area Forecast Discussion National Weather Service Burlington VT 659 AM EDT Thu Jul 3 2025 .SYNOPSIS... A large upper level low will shift southeast today, which along with a cold front will produce scattered showers and thunderstorms. Cooler and drier weather will move in for July 4th, with pleasant conditions expected. A warming trend starts on Saturday, with highs back into the 90s by early next week. && .NEAR TERM /THROUGH FRIDAY/...-- Changed Discussion --As of 653 AM EDT Thursday...Did an update this morning to account for showers which have already formed. Used HRRR and HREF blended into NBM to show coverage of morning showers, and additional showers this afternoon. Previous discussion follows. Showers and thunderstorms are expected across our area today as an upper level trough crosses the region, as well as a surface cold front dropping south across our area. The frontal passage will occur early in the day, and winds will be westerly, then northwesterly behind the front. SPC has expanded their Day 1 slight risk to include more of our area. Pretty efficient daytime heating before the frontal passage will lead to maximum temperatures ranging from the lower 80s in the Champlain and Connecticut river valleys, but only ranging through the 70s in northern New York where the frontal passage occurs earlier in the day. Deep layer shear is favorable as winds will be fairly weak at the surface out of the west to northwest, and an upper level jet passes overhead within base of upper level trough. Damaging winds will be the main threat with any organized thunderstorms that develop, but some hail will also be possible given the shear profiles. Timing of the front being early in the day could limit severe potential. Moisture is somewhat limited with mainly westerly flow in place across the region. HRRR and NAM3 both show 2 areas of convection associated with multiple surface troughs crossing the area, first this morning and then a second area of showers behind the front this afternoon, the HRRR is the more robust solution out of the two. Even if storms do not become strong/severe, they will still be capable of producing deadly lightning. Timing for shower and thunderstorm activity has been bumped earlier, mainly 1 pm to 7 pm. Some showers may linger beyond 7 pm. If you have outdoor plans, please stay weather aware and follow the latest forecast updates. When there are peaks of sun today, expect hazy conditions as some Canadian wildfire smoke will be in the upper levels. Quieter and cooler weather is then expected for both tonight and Friday.-- End Changed Discussion --&& .SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/... As of 200 AM EDT Thursday...A pleasant stretch of weather is expected for the first half of the weekend. High pressure will continue to build into the region over the weekend, bringing dry weather and a warming temperature trend. High temperatures Saturday afternoon look to be seasonably warm, climbing into the low to mid 80s with dewpoints in the 50s. These temperatures and partly sunny skies will make for a rather enjoyable Saturday. Southerly flow will begin to usher in more humid air, with mild overnight lows only dropping into the 60s to near 70 for Saturday night. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... As of 200 AM EDT Thursday...Surface high pressure and ridging aloft will continue to bring a period dry weather and increasing heat for Sunday. Southerly flow will continue to advect a more humid airmass into the region. High temperatures Sunday afternoon look to climb into the upper 80s to mid 90s across the region, feeling quite uncomfortable with the increased moisture and dewpoints in the 60s. The heat will likely linger into Monday, especially across southern portions of the forecast area as a slow moving cold front approaches from the north. There is still plenty of uncertainty as to how quickly this feature will progress across the region, bringing chances for showers and thunderstorms, especially Monday night. This feature will help provide relief from the heat, with more seasonable conditions expected heading into the middle of next week. && .AVIATION /12Z THURSDAY THROUGH MONDAY/...-- Changed Discussion --Through 12Z Friday...Scattered showers and thunderstorms will lower visibilities today and have mainly used PROB30 groups to account for this. Cloud cover is expected to increase today, though ceilings should stay generally 4500 feet above ground level or higher. Rain shower chances increase 12Z-18Z with highest confidence of a shower or even a thunderstorm 18Z onward. Depending on where these showers or thunderstorms occur, visibilities could be reduced to lower than forecast. Winds are expected to turn more northwesterly today 5-10 knots with gusts up to 20 knots possible, potentially even higher in any thunderstorms. Will once again have potential for fog formation overnight, especially terminals that have rainfall today. Outlook... Independence Day: VFR. NO SIG WX. Friday Night: VFR. NO SIG WX. Saturday: VFR. NO SIG WX. Saturday Night: VFR. NO SIG WX. Sunday: VFR. Slight chance SHRA, Slight chance TSRA. Sunday Night: VFR. Slight chance SHRA, Slight chance TSRA. Monday: Mainly VFR, with local MVFR possible. Chance SHRA, Chance TSRA.-- End Changed Discussion --&& .BTV WATCHES/WARNINGS/ADVISORIES... VT...None. NY...None. && $$ SYNOPSIS...Neiles NEAR TERM...Neiles SHORT TERM...Kremer LONG TERM...Kremer AVIATION...Neiles