A SEVERE THUNDERSTORM WATCH is in effect until midnight from Wayne to Harlan counties. A few storms may produce hail or gusty wind from Monticello to Williamsburg and points north. OVERNIGHT: Passing clouds and mild tonight with lows in the low to mid 60s here in Knoxville.

The National Weather Service has issued a Severe Thunderstorm Watch for much of Western New York and the Finger Lakes region, effective through 10 p.m. This development follows a day of rapidly building atmospheric instability,