Nassau County Flash Flood Watch

Monday, June 19th

A Flash Flood Watch has been issued for Nassau County from June 19, 12:00 noon  until June 20, 4:00 am .  A Severe Thunderstorm Watch in effect for Nassau County from June 19, 11:15 am until 8:00 pm.  Scattered storms could produce damaging wind gusts of 60+ mph, possible hail and lightening.   There is a very low chance of isolated weak tornadoes.  Across all of Long Island there is a threat of locally heavy rains, with the heaviest rains toward western regions.   There is also a high risk of rip currents Nassau County and Southwestern Suffolk County beaches from 12:00 noon through late tonight, meaning dangerous and potentially life threatening conditions exist for all people entering the surf.