Hot in the Finger Lakes through Wednesday

A late September surge of heat and humidity will persist in the Finger Lakes through the middle of this week before a quick change back to more seasonable temperatures.

High temperatures Monday, Tuesday, and Wednesday should all be 20-25 degrees above normal with many places breaking record highs during the stretch.

This heat and humidity is the result of a stagnant area of high pressure that has been with us for over a week. The center of the high is just southeast of the Finger Lakes, placing our region in the warm return flow on the backside of the high.

Skies will generally be sunny with only some high thin clouds and small fair weather clouds from time to time. A little fog will also be possible to start each day, but it should not be as thick or widespread as last week.

This will result in high temperatures pushing 90 degrees for most of the area on Monday and Tuesday.

A little bit of extra cloud cover ahead of a cold front will result in more upper 80s and fewer 90s on Wednesday, but the difference will hardly be noticeable.

Heat index values will push into the low 90s during the afternoon hours.

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