Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Last Update: 403 AM EDT Wed Aug 19 2026

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Buffalo, NY Local Forecast Office

4NM WNW Olcott NY

Marine Zone Forecast

Today
Southwest winds 5 to 15 knots becoming west. Showers likely with a chance of thunderstorms this morning, then a chance of showers and thunderstorms early this afternoon. Waves 2 feet or less.
Tonight
Northwest winds 5 to 10 knots becoming west. Partly cloudy. Waves 2 feet or less.
Thursday
Northwest winds less than 10 knots becoming west. Mostly sunny. Waves 1 foot or less.
Thursday Night
Northwest winds less than 10 knots becoming northeast. Mainly clear. Waves 1 foot or less.
Friday
East winds 10 knots or less becoming southeast. Mainly clear, then becoming partly cloudy. Waves 2 feet or less.
Saturday
South winds 5 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 2 feet or less.
Sunday
West winds 10 to 15 knots. A chance of showers and thunderstorms. Waves 1 to 3 feet.

winds and waves higher in and near thunderstorms.



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403 AM EDT Wed Aug 19 2026
 
 

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