Some storms could be severe, with large hail and damaging winds. Several Central New York counties, including Cayuga, Onondaga and Madison, soon followed later in the day.
A tornado watch means conditions are favorable for severe thunderstorms, including the possibility of tornadoes.
As always, your necn Early Warning Weather Team will continue to provide radar analysis, street-level forecasts, critical information to save life and property, and suggested actions through our continuing coverage.
At the same time a cold front well to our west is generating some heavy weather that we are keeping an eye on, including a tornado watch. It applied to all northern NY counties.
Nickel- to quarter-sized hail is possible in areas hit by the strongest storms, according to the weather service.
The line of storms then crosses New England from west to east overnight. Winds between 50 and 60 miles per hour were also possible. "Thunderstorms with isolated strong/damaging gusts will also be possible farther southwest into parts of the southern Plains".
The weather is predicted to be calmer and cooler for the next few days, with highs in the 60s and lows in the 40s through the weekend.