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Josh's Forecast: Building heat and humidity for the remainder of the holiday weekend

We'll enjoy a good supply of sunshine into Sunday even as Mother Nature turns up the thermostat a bit. Expect high temperatures to flirt with the 90-degree mark.
7 Weather 6pm update, Saturday, July 5, 2025
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**HEAT ADVISORIES FOR NIAGARA, ORLEANS & GENESEE COUNTIES MOST OF SUNDAY**

You really couldn't ask for better weather going through the rest of the 4th of July holiday weekend. Expect more sunshine along with building warmth and humidity for Sunday. Heat index values into the middle 90s are likely away from Lake Erie. The humidity "sticks around" into Monday until a cold front arrives with a few scattered thunderstorms. "Standard" summer fare follows for most of next week with humidity levels "in check", and temperatures largely in the 80s.

SUNDAY
MORNING: Mainly clear, low 70s.
AFTERNOON: Mostly sunny, near 90.

MONDAY
MORNING: Partly cloudy, low 70s.
AFTERNOON: Sct'd thunder showers, muggy, mid 80s.

TUESDAY
MORNING: Mostly cloudy, muggy, mid 60s
AFTERNOON: Limited sun, muggy, mid 80s