129 FXUS61 KBUF 111822 AFDBUFArea Forecast Discussion National Weather Service Buffalo NY 222 PM EDT Thu Sep 11 2025
.SYNOPSIS... Fair and dry weather today and Friday. Unsettle weather returns Saturday through Saturday night, with a chance of some showers or a thunderstorm. Extended period of fair and dry weather again graces the region through most of next week.
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.NEAR TERM /THROUGH FRIDAY/... A weakening front drops through the region today, but has limited moisture and the best support remains well displaced to our north.
With northerly flow we will see some dirunally driven cu inland from the lakes. Otherwise...sunfilled skies with temperatures in the 70s to around 80F in spots.
Tonight...mainly clear skies with some fog, especially in the river valleys.
Weak sfc high pressure overhead will drift off to the northeast and into the Canadian Maritimes Friday but will maintain dry weather across our region. Highs expected in the 70s for most locales.
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.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/... The 500mb ridge to our southwest shifts east a bit and then also amplify as we head into the weekend. Meanwhile, the trough to our north across eastern Canada begins to deepen in response to the ridge amplifying. The main concern as this occurs will be embedded shortwave energy rounding the top of this mid-level ridge. As these features crest the ridge and then dive southeast towards the Lower Lakes, we `potentially` could see some showers or even a thunderstorm predawn Saturday morning. That said...there still remain a fair amount of uncertainty in timing, coverage, and placement of storms. Right now...the initial shortwave is shown to drop through the North Country sometime Saturday morning. After that...the cold front pushes south into the region by Saturday night which may bring a better shot for more widespread showers or a thunderstorm. Given the uncertainty have not gone with anything higher than chance Pops (25-40%), it is possible some spots may not see anything at all. After the front exits by Sunday morning surface high pressure builds south into the region with a return everywhere to dry weather.
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.LONG TERM /MONDAY THROUGH THURSDAY/... Ridging out of Canada will support fine fair weather and slight warning trend through much of the week.
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.AVIATION /19Z THURSDAY THROUGH TUESDAY/... Light winds today of less than 10 knots and VFR at area terminals.
Tonight...some valley fog will be possible which may impact KJHW after 07Z. Otherwise...VFR to continue at area terminals.
Outlook...
Friday...VFR.
Saturday and Saturday night...Mainly VFR, with scattered showers or a thunderstorm.
Sunday...Mainly VFR with slight chance of a shower in the morning.
Monday and Tuesday...VFR.
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.MARINE... Winds of 10 knots or less today through Friday with minimal wave action. A cold front will near the Lower Lakes Saturday and then drop through the area Saturday night. This may produce some light to modest chop Saturday through Sunday but sub Small Craft conditions.
An extended period light winds and wave action then is expected Monday through the middle of next week.
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.BUF WATCHES/WARNINGS/ADVISORIES... NY...None. MARINE...None.
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SYNOPSIS...AR NEAR TERM...AR SHORT TERM...AR LONG TERM...AR AVIATION...AR MARINE...AR
NWS BUF Office Area Forecast Discussion