New York Summer Weather Alert: Heat Index Near 100°F Through Tuesday — Thunderstorms Threaten Buffalo by Wednesday Afternoon

HEAT INDEX
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Buffalo, N.Y. – Relief from extreme heat is finally in sight for Buffalo, but it may arrive with a stormy punch Wednesday afternoon.

According to the National Weather Service in Buffalo, a Heat Advisory remains in effect until 6 p.m. Tuesday, with heat index values nearing 100°F across western New York. After that, residents can expect a shift — scattered thunderstorms are likely to develop after 2 p.m. Wednesday, bringing gusty winds, rain, and temporary cooling.

Drivers along I-90 and those commuting through Erie, Niagara, and Genesee counties should prepare for reduced visibility and wet pavement as storms roll through late Wednesday. Temperatures will still reach near 88°F in Buffalo before storms increase in coverage into the evening. Wind gusts could exceed 20 mph during the strongest cells.

Humidity will remain a factor through Thursday, with a continued chance of thunderstorms into early Friday. Residents should limit outdoor work during peak heat, wear lightweight clothing, and stay hydrated. If thunderstorms develop, seek shelter indoors and avoid flooded roads.

Though not expected to be severe, a few storms may carry damaging wind gusts, particularly Wednesday evening. No spotter activation is expected at this time.

Warnings remain active through Tuesday evening. Watch for weather updates as more storm chances may develop into Friday.


🌤 Five-Day Forecast for Buffalo, NY:

  • Tuesday (June 24): High near 90°F, heat advisory until 6 p.m., mostly sunny
  • Wednesday (June 25): High 88°F, thunderstorms after 2 p.m., gusts near 24 mph
  • Thursday (June 26): High 77°F, chance of thunderstorms morning to evening
  • Friday (June 27): High 82°F, showers likely, especially afternoon
  • Saturday (June 28): High 80°F, morning rain chance, clearing later
  • Sunday (June 29): Partly sunny, high 83°F, warm and dry conditions expected

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