Area Forecast Discussion
Issued by NWS Buffalo, NY
Issued by NWS Buffalo, NY
285 FXUS61 KBUF 050712 AFDBUF Area Forecast Discussion National Weather Service Buffalo NY 312 AM EDT Sat Sep 5 2026 .WHAT HAS CHANGED... Minimal changes with this forecast update. && .KEY MESSAGES... 1.) Widely scattered and isolated showers possible Saturday and Sunday, though primarily dry weather will dominate through Labor Day. && .DISCUSSION... KEY MESSAGE 1...Widely scattered and isolated showers possible Saturday and Sunday, though primarily dry weather will dominate through Labor Day. Mid-level trough centered over New England today, will gradually exit east into the north Atlantic through the holiday weekend, placing the eastern Great Lakes beneath northwest flow. While the trough exits east a few disturbances will dive southeast across the region. Meanwhile, at the surface, high pressure over the upper Great Lakes this morning will slide southeast across the eastern Great Lakes towards the mid-Atlantic by Monday. Overall, mainly dry weather will prevail throughout this holiday weekend, however with each shortwave disturbance passage a few widely scattered and isolated showers will be possible. Otherwise, expect near-average to slightly below average temperatures through the weekend. Lingering moisture, cool temperatures, and calm winds will yield patchy river valley fog across the Finger Lakes, east of Lake Ontario and across the western Southern Tier every night. && .AVIATION /07Z SATURDAY THROUGH WEDNESDAY/... Mainly dry weather and VFR conditions prevail this morning, however clearing skies and calm winds will support patchy fog to develop early this morning, especially for areas in valley locations. Within fog and low stratus, MVFR to IFR conditions are likely. Surface high pressure across the upper Great Lakes this morning will gradually slide southeast through the weekend. While this will lead to mostly dry weather today, increasing moisture ahead of a shortwave trough disturbance will support periods of MVFR ceilings for areas east of Lake Ontario, impacting KART. Additionally, a few showers will be possible across the North Country late this morning and through this afternoon. Otherwise, further west expect dry weather and VFR conditions to prevail. Outlook... Saturday night through Tuesday...Mainly VFR. River valley fog with local IFR each late night and early morning across the Southern Tier. Wednesday...MVFR/VFR with showers likely and a chance of thunderstorms. && .MARINE... A surface ridge will gradually build southeast across the eastern Great Lakes and towards the mid-Atlantic through the holiday weekend. Overall light winds of 5 to 15 knots and waves of 3 feet or less through the holiday weekend. As the ridge exits midweek, a warm front will pass across eastern Lake Erie and Lake Ontario, causing winds and waves to freshen where Small Craft Advisory criteria will likely be met. && .BUF WATCHES/WARNINGS/ADVISORIES... NY...None. MARINE...None. && $$ DISCUSSION...EAL AVIATION...EAL MARINE...EAL